diff --git a/gui/wxpython/rlisetup/g.gui.rlisetup.html b/gui/wxpython/rlisetup/g.gui.rlisetup.html
index ed78e272c48..cda5d236ccd 100644
--- a/gui/wxpython/rlisetup/g.gui.rlisetup.html
+++ b/gui/wxpython/rlisetup/g.gui.rlisetup.html
@@ -323,7 +323,7 @@ <h2>REFERENCES</h2>
 
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
-Gen. Tech. Rep. PNW-351. (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>)
+Gen. Tech. Rep. PNW-351. (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>)
 
 <h2>SEE ALSO</h2>
 
diff --git a/raster/r.geomorphon/r.geomorphon.html b/raster/r.geomorphon/r.geomorphon.html
index f9daafb4626..80b75d1b241 100644
--- a/raster/r.geomorphon/r.geomorphon.html
+++ b/raster/r.geomorphon/r.geomorphon.html
@@ -187,7 +187,7 @@ <h2>REFERENCES</h2>
 <li>Stepinski, T., Jasiewicz, J., 2011, Geomorphons - a new approach to
 classification of landform, in :  Eds: Hengl, T., Evans, I.S., Wilson,
 J.P., and Gould, M., Proceedings of Geomorphometry 2011,  Redlands,
-109-112 (<a href="https://geomorphometry.org/system/files/StepinskiJasiewicz2011geomorphometry.pdf">PDF</a>)</li>
+109-112 (<a href="https://www.geomorphometry.org/uploads/pdf/pdf2011/StepinskiJasiewicz2011geomorphometry.pdf">PDF</a>)</li>
 <li>Jasiewicz, J., Stepinski, T.,  2013, Geomorphons - a pattern
 recognition approach to classification and mapping of landforms,
 Geomorphology, vol. 182, 147-156 (DOI: <a href="https://doi.org/10.1016/j.geomorph.2012.11.005">10.1016/j.geomorph.2012.11.005</a>)</li>
diff --git a/raster/r.in.bin/r.in.bin.html b/raster/r.in.bin/r.in.bin.html
index bde7a17a424..2d457b1680e 100644
--- a/raster/r.in.bin/r.in.bin.html
+++ b/raster/r.in.bin/r.in.bin.html
@@ -10,7 +10,7 @@ <h2>DESCRIPTION</h2>
 <p>The north, south, east, and west field values are the coordinates of the
 edges of the geographic region. The rows and cols values describe the dimensions
 of the matrix of data to follow. If the input is a
-<a href="https://gmt.soest.hawaii.edu/">GMT</a> binary array
+<a href="https://www.generic-mapping-tools.org/">GMT</a> binary array
 (-h flag), the six dimension fields (north, south, east, west, rows and cols)
 are obtained from the GMT header. If the bytes field is entered incorrectly an
 error will be generated suggesting a closer bytes value.
diff --git a/raster/r.in.lidar/r.in.lidar.html b/raster/r.in.lidar/r.in.lidar.html
index ce5b6dde2fe..a3346047bec 100644
--- a/raster/r.in.lidar/r.in.lidar.html
+++ b/raster/r.in.lidar/r.in.lidar.html
@@ -456,7 +456,7 @@ <h3>Serpent Mound dataset</h3>
 <a href="https://grasswiki.osgeo.org/wiki/LIDAR#Import_LAS_as_raster_DEM">importing LAS as raster DEM</a>.
 <p>The sample LAS data are in the file "Serpent Mound Model LAS Data.laz",
 available at
-<a href="https://github.com/PDAL/data/raw/refs/heads/master/liblas/Serpent%20Mound%20Model%20LAS%20Data.laz">Serpent Mound Model LAS Data.laz</a>:
+<a href="https://github.com/PDAL/data/raw/4ee9ee43b195268a59113555908c1c0cdf955bd4/liblas/Serpent%20Mound%20Model%20LAS%20Data.laz">Serpent Mound Model LAS Data.laz</a>:
 
 <div class="code"><pre>
 # print LAS file info
@@ -597,7 +597,7 @@ <h2>REFERENCES</h2>
 <li>
 V. Petras, A. Petrasova, J. Jeziorska, H. Mitasova (2016):
 <em>Processing UAV and lidar point clouds in GRASS GIS</em>.
-XXIII ISPRS Congress 2016 [<a href="https://isprs-archives.copernicus.org/articles/XLI-B7/945/2016/">ISPRS Archives</a>, <a href="https://www.researchgate.net/publication/304340172_Processing_UAV_and_lidar_point_clouds_in_GRASS_GIS">ResearchGate</a>]</li>
+XXIII ISPRS Congress 2016 [<a href="https://doi.org/10.5194/isprs-archives-XLI-B7-945-2016">ISPRS Archives</a>, <a href="https://www.researchgate.net/publication/304340172_Processing_UAV_and_lidar_point_clouds_in_GRASS_GIS">ResearchGate</a>]</li>
 <li>
 <a href="https://www.asprs.org/committee-general/laser-las-file-format-exchange-activities.html">
 ASPRS LAS format</a></li>
diff --git a/raster/r.in.pdal/r.in.pdal.html b/raster/r.in.pdal/r.in.pdal.html
index 199a8ee4ce8..d3bbad58237 100644
--- a/raster/r.in.pdal/r.in.pdal.html
+++ b/raster/r.in.pdal/r.in.pdal.html
@@ -514,7 +514,7 @@ <h3>Serpent Mound dataset</h3>
 <a href="http://grasswiki.osgeo.org/wiki/LIDAR#Import_LAS_as_raster_DEM">importing LAS as raster DEM</a>.
 <p>The sample LAS data are in the file "Serpent Mound Model LAS Data.laz",
 available at
-<a href="https://github.com/PDAL/data/raw/refs/heads/master/liblas/Serpent%20Mound%20Model%20LAS%20Data.laz">Serpent Mound Model LAS Data.laz</a>:
+<a href="https://github.com/PDAL/data/raw/4ee9ee43b195268a59113555908c1c0cdf955bd4/liblas/Serpent%20Mound%20Model%20LAS%20Data.laz">Serpent Mound Model LAS Data.laz</a>:
 
 <div class="code"><pre>
 # print LAS file info
@@ -647,7 +647,7 @@ <h2>REFERENCES</h2>
 <li>
 V. Petras, A. Petrasova, J. Jeziorska, H. Mitasova (2016):
 <em>Processing UAV and lidar point clouds in GRASS GIS</em>.
-XXIII ISPRS Congress 2016 [<a href="https://isprs-archives.copernicus.org/articles/XLI-B7/945/2016/">ISPRS Archives</a>, <a href="https://www.researchgate.net/publication/304340172_Processing_UAV_and_lidar_point_clouds_in_GRASS_GIS">ResearchGate</a>]</li>
+XXIII ISPRS Congress 2016 [<a href="https://doi.org/10.5194/isprs-archives-XLI-B7-945-2016">ISPRS Archives</a>, <a href="https://www.researchgate.net/publication/304340172_Processing_UAV_and_lidar_point_clouds_in_GRASS_GIS">ResearchGate</a>]</li>
 <li>
 <a href="http://www.asprs.org/Committee-General/LASer-LAS-File-Format-Exchange-Activities.html">
 ASPRS LAS format</a></li>
diff --git a/raster/r.li/r.li.cwed/r.li.cwed.html b/raster/r.li/r.li.cwed/r.li.cwed.html
index 6f95b0555bb..88ac06f2ad7 100644
--- a/raster/r.li/r.li.cwed/r.li.cwed.html
+++ b/raster/r.li/r.li.cwed/r.li.cwed.html
@@ -68,7 +68,7 @@ <h2>REFERENCES</h2>
 
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
-Gen. Tech. Rep. PNW-351. (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>)
+Gen. Tech. Rep. PNW-351. (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>)
 
 <h2>AUTHORS</h2>
 
diff --git a/raster/r.li/r.li.daemon/r.li.daemon.html b/raster/r.li/r.li.daemon/r.li.daemon.html
index 3f17ce8b9f4..13f190df219 100644
--- a/raster/r.li/r.li.daemon/r.li.daemon.html
+++ b/raster/r.li/r.li.daemon/r.li.daemon.html
@@ -82,7 +82,7 @@ <h2>REFERENCES</h2>
 
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
-Gen. Tech. Rep. PNW-351. (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>)
+Gen. Tech. Rep. PNW-351. (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>)
 
 <h2>AUTHORS</h2>
 
diff --git a/raster/r.li/r.li.dominance/r.li.dominance.html b/raster/r.li/r.li.dominance/r.li.dominance.html
index fe82c4198cc..15679874171 100644
--- a/raster/r.li/r.li.dominance/r.li.dominance.html
+++ b/raster/r.li/r.li.dominance/r.li.dominance.html
@@ -68,7 +68,7 @@ <h2>REFERENCES</h2>
 
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
-Gen. Tech. Rep. PNW-351. (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>)
+Gen. Tech. Rep. PNW-351. (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>)
 
 <h2>AUTHORS</h2>
 
diff --git a/raster/r.li/r.li.edgedensity/r.li.edgedensity.html b/raster/r.li/r.li.edgedensity/r.li.edgedensity.html
index af779aa3450..840a0cf9650 100644
--- a/raster/r.li/r.li.edgedensity/r.li.edgedensity.html
+++ b/raster/r.li/r.li.edgedensity/r.li.edgedensity.html
@@ -89,7 +89,7 @@ <h2>REFERENCES</h2>
 
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
-Gen. Tech. Rep. PNW-351. (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>)
+Gen. Tech. Rep. PNW-351. (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>)
 
 <h2>AUTHORS</h2>
 
diff --git a/raster/r.li/r.li.html b/raster/r.li/r.li.html
index 4fef5d092b0..37e40d6cfc7 100644
--- a/raster/r.li/r.li.html
+++ b/raster/r.li/r.li.html
@@ -190,7 +190,7 @@ <h2>REFERENCES</h2>
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
 Gen. Tech. Rep. PNW-351
- (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>).</li>
+ (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>).</li>
 
 <li>
 Baker, W.L. and Y. Cai. 1992. The r.le programs for multiscale analysis of
diff --git a/raster/r.li/r.li.mpa/r.li.mpa.html b/raster/r.li/r.li.mpa/r.li.mpa.html
index 8c7be9adcfc..1acc2908608 100644
--- a/raster/r.li/r.li.mpa/r.li.mpa.html
+++ b/raster/r.li/r.li.mpa/r.li.mpa.html
@@ -76,7 +76,7 @@ <h2>REFERENCES</h2>
 
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
-Gen. Tech. Rep. PNW-351. (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>)
+Gen. Tech. Rep. PNW-351. (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>)
 
 <h2>AUTHORS</h2>
 
diff --git a/raster/r.li/r.li.mps/r.li.mps.html b/raster/r.li/r.li.mps/r.li.mps.html
index 5cb2dd74496..e7548a9db76 100644
--- a/raster/r.li/r.li.mps/r.li.mps.html
+++ b/raster/r.li/r.li.mps/r.li.mps.html
@@ -78,7 +78,7 @@ <h2>REFERENCES</h2>
 
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
-Gen. Tech. Rep. PNW-351. (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>)
+Gen. Tech. Rep. PNW-351. (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>)
 
 <h2>AUTHORS</h2>
 
diff --git a/raster/r.li/r.li.padcv/r.li.padcv.html b/raster/r.li/r.li.padcv/r.li.padcv.html
index 2174997ab5b..23aed65eedd 100644
--- a/raster/r.li/r.li.padcv/r.li.padcv.html
+++ b/raster/r.li/r.li.padcv/r.li.padcv.html
@@ -68,7 +68,7 @@ <h2>REFERENCES</h2>
 
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
-Gen. Tech. Rep. PNW-351. (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>)
+Gen. Tech. Rep. PNW-351. (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>)
 
 <h2>AUTHORS</h2>
 
diff --git a/raster/r.li/r.li.padrange/r.li.padrange.html b/raster/r.li/r.li.padrange/r.li.padrange.html
index f6da882b79e..6502c137f1e 100644
--- a/raster/r.li/r.li.padrange/r.li.padrange.html
+++ b/raster/r.li/r.li.padrange/r.li.padrange.html
@@ -70,7 +70,7 @@ <h2>REFERENCES</h2>
 
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
-Gen. Tech. Rep. PNW-351. (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>)
+Gen. Tech. Rep. PNW-351. (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>)
 
 <h2>AUTHORS</h2>
 
diff --git a/raster/r.li/r.li.padsd/r.li.padsd.html b/raster/r.li/r.li.padsd/r.li.padsd.html
index 96c0a019b64..379049c9506 100644
--- a/raster/r.li/r.li.padsd/r.li.padsd.html
+++ b/raster/r.li/r.li.padsd/r.li.padsd.html
@@ -70,7 +70,7 @@ <h2>REFERENCES</h2>
 
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
-Gen. Tech. Rep. PNW-351. (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>)
+Gen. Tech. Rep. PNW-351. (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>)
 
 <h2>AUTHORS</h2>
 
diff --git a/raster/r.li/r.li.patchdensity/r.li.patchdensity.html b/raster/r.li/r.li.patchdensity/r.li.patchdensity.html
index 455a3b1e218..168a45d9772 100644
--- a/raster/r.li/r.li.patchdensity/r.li.patchdensity.html
+++ b/raster/r.li/r.li.patchdensity/r.li.patchdensity.html
@@ -81,7 +81,7 @@ <h2>REFERENCES</h2>
 
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
-Gen. Tech. Rep. PNW-351. (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>)
+Gen. Tech. Rep. PNW-351. (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>)
 
 <h2>AUTHORS</h2>
 
diff --git a/raster/r.li/r.li.patchnum/r.li.patchnum.html b/raster/r.li/r.li.patchnum/r.li.patchnum.html
index ed9d7e66341..743f965b5b8 100644
--- a/raster/r.li/r.li.patchnum/r.li.patchnum.html
+++ b/raster/r.li/r.li.patchnum/r.li.patchnum.html
@@ -64,7 +64,7 @@ <h2>REFERENCES</h2>
 
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
-Gen. Tech. Rep. PNW-351. (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>)
+Gen. Tech. Rep. PNW-351. (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>)
 
 <h2>AUTHORS</h2>
 
diff --git a/raster/r.li/r.li.pielou/r.li.pielou.html b/raster/r.li/r.li.pielou/r.li.pielou.html
index fc6c2a9d8dd..f8f9e2730fb 100644
--- a/raster/r.li/r.li.pielou/r.li.pielou.html
+++ b/raster/r.li/r.li.pielou/r.li.pielou.html
@@ -67,7 +67,7 @@ <h2>REFERENCES</h2>
 
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
-Gen. Tech. Rep. PNW-351. (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>)
+Gen. Tech. Rep. PNW-351. (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>)
 
 <h2>AUTHORS</h2>
 
diff --git a/raster/r.li/r.li.renyi/r.li.renyi.html b/raster/r.li/r.li.renyi/r.li.renyi.html
index ac67118385a..3b866356765 100644
--- a/raster/r.li/r.li.renyi/r.li.renyi.html
+++ b/raster/r.li/r.li.renyi/r.li.renyi.html
@@ -70,7 +70,7 @@ <h2>REFERENCES</h2>
 
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
-Gen. Tech. Rep. PNW-351. (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>)
+Gen. Tech. Rep. PNW-351. (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>)
 
 <h2>AUTHORS</h2>
 
diff --git a/raster/r.li/r.li.richness/r.li.richness.html b/raster/r.li/r.li.richness/r.li.richness.html
index 0af571f416b..32bc7f99b0c 100644
--- a/raster/r.li/r.li.richness/r.li.richness.html
+++ b/raster/r.li/r.li.richness/r.li.richness.html
@@ -67,7 +67,7 @@ <h2>REFERENCES</h2>
 
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
-Gen. Tech. Rep. PNW-351. (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>)
+Gen. Tech. Rep. PNW-351. (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>)
 
 <h2>AUTHORS</h2>
 
diff --git a/raster/r.li/r.li.shannon/r.li.shannon.html b/raster/r.li/r.li.shannon/r.li.shannon.html
index d30ee66e3f9..76ef70ebc25 100644
--- a/raster/r.li/r.li.shannon/r.li.shannon.html
+++ b/raster/r.li/r.li.shannon/r.li.shannon.html
@@ -68,7 +68,7 @@ <h2>REFERENCES</h2>
 
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
-Gen. Tech. Rep. PNW-351. (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>)
+Gen. Tech. Rep. PNW-351. (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>)
 
 <h2>AUTHORS</h2>
 
diff --git a/raster/r.li/r.li.shape/r.li.shape.html b/raster/r.li/r.li.shape/r.li.shape.html
index e83c15dfd63..5b7d7219588 100644
--- a/raster/r.li/r.li.shape/r.li.shape.html
+++ b/raster/r.li/r.li.shape/r.li.shape.html
@@ -69,7 +69,7 @@ <h2>REFERENCES</h2>
 
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
-Gen. Tech. Rep. PNW-351. (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>)
+Gen. Tech. Rep. PNW-351. (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>)
 
 <h2>AUTHORS</h2>
 
diff --git a/raster/r.li/r.li.simpson/r.li.simpson.html b/raster/r.li/r.li.simpson/r.li.simpson.html
index 2c44f5b9b11..fb33b7cad98 100644
--- a/raster/r.li/r.li.simpson/r.li.simpson.html
+++ b/raster/r.li/r.li.simpson/r.li.simpson.html
@@ -68,7 +68,7 @@ <h2>REFERENCES</h2>
 
 McGarigal, K., and B. J. Marks. 1995. FRAGSTATS: spatial pattern
 analysis program for quantifying landscape structure. USDA For. Serv.
-Gen. Tech. Rep. PNW-351. (<a href="https://research.fs.usda.gov/treesearch/3064">PDF</a>)
+Gen. Tech. Rep. PNW-351. (<a href="https://doi.org/10.2737/PNW-GTR-351">PDF</a>)
 
 <h2>AUTHORS</h2>
 
diff --git a/raster/r.out.bin/r.out.bin.html b/raster/r.out.bin/r.out.bin.html
index 752803e3d63..48dcc20e334 100644
--- a/raster/r.out.bin/r.out.bin.html
+++ b/raster/r.out.bin/r.out.bin.html
@@ -9,7 +9,7 @@ <h2>DESCRIPTION</h2>
 <h2>NOTES</h2>
 
 With the -h flag, data can be directly used by
-<a href="https://gmt.soest.hawaii.edu/">GMT</a> as Grid Format 1 (float) or
+<a href="https://www.generic-mapping-tools.org/">GMT</a> as Grid Format 1 (float) or
 2 (short). For example:
 
 <div class="code"><pre>
diff --git a/raster/r.out.mpeg/r.out.mpeg.html b/raster/r.out.mpeg/r.out.mpeg.html
index 1e39738738f..aa8db1b3a4c 100644
--- a/raster/r.out.mpeg/r.out.mpeg.html
+++ b/raster/r.out.mpeg/r.out.mpeg.html
@@ -74,7 +74,7 @@ <h2>NOTES</h2>
 <p>Lawrence A. Rowe, Kevin Gong, Ketan Patel, and Dan Wallach Computer Science
 Division-EECS, Univ. of Calif. at Berkeley
 <p>Available from Berkeley:
-<a href="http://biowiki.org/BerkeleyMpegEncoder">http://biowiki.org/BerkeleyMpegEncoder</a>
+<a href="https://web.archive.org/web/20091223063452/http://biowiki.org/BerkeleyMpegEncoder">http://biowiki.org/BerkeleyMpegEncoder</a> (Wayback machine)
 <br>or as part of the netpbm package (<em>ppmtompeg</em>):
 <a href="https://netpbm.sourceforge.net">https://netpbm.sourceforge.net</a>
 <!--
diff --git a/raster/r.proj/r.proj.html b/raster/r.proj/r.proj.html
index db1bdb8cb21..9cc617d1a24 100644
--- a/raster/r.proj/r.proj.html
+++ b/raster/r.proj/r.proj.html
@@ -301,7 +301,7 @@ <h2>REFERENCES</h2>
   <li> <a href="https://proj.org/operations/index.html">Coordinate operations</a> by PROJ (projections, conversions, transformations, pipeline operator)</li>
   <li> <a href="https://mapref.org">MapRef -
       The Collection of Map Projections and Reference Systems for Europe</a></li>
-  <li> <a href="http://www.crs-geo.eu">Information and Service System for European Coordinate Reference Systems - CRS</a></li>
+  <li> <a href="https://www.crs-geo.eu">Information and Service System for European Coordinate Reference Systems - CRS</a></li>
 </ul>
 
 <h2>SEE ALSO</h2>
diff --git a/raster/r.slope.aspect/r.slope.aspect.html b/raster/r.slope.aspect/r.slope.aspect.html
index b4715fb6c03..421f7f84e78 100644
--- a/raster/r.slope.aspect/r.slope.aspect.html
+++ b/raster/r.slope.aspect/r.slope.aspect.html
@@ -279,6 +279,7 @@ <h2>REFERENCES</h2>
 <li> Hofierka, J., Mitasova, H., Neteler, M., 2009. <i>Geomorphometry in GRASS GIS.</i>
 In: Hengl, T. and Reuter, H.I. (Eds), <i>Geomorphometry: Concepts, Software, Applications. </i>
 Developments in Soil Science, vol. 33, Elsevier, 387-410 pp,
+<a href="https://doi.org/10.1016/S0166-2481(08)00017-2">doi:10.1016/S0166-2481(08)00017-2</a>,
 <a href="https://www.geomorphometry.org">https://www.geomorphometry.org</a></li>
 </ul>
 
diff --git a/raster3d/raster3dintro.html b/raster3d/raster3dintro.html
index ab5329678fb..02fb3744e65 100644
--- a/raster3d/raster3dintro.html
+++ b/raster3d/raster3dintro.html
@@ -176,7 +176,7 @@ <h3>Working with 3D visualization software</h3>
 VTK files can be visualized with the
 <em><a href="https://vtk.org">VTK Toolkit</a></em>,
 <em><a href="https://www.paraview.org">Paraview</a></em> and
-<em><a href="https://mayavi.sourceforge.net">MayaVi</a></em>.
+<em><a href="https://github.com/enthought/mayavi">MayaVi</a></em>.
 Moreover, GRASS GIS 2D raster maps can be exported to VTK with
 <a href="r.out.vtk.html">r.out.vtk</a>
 and GRASS GIS vector maps can be exported to VTK with
diff --git a/scripts/i.tasscap/i.tasscap.html b/scripts/i.tasscap/i.tasscap.html
index 1f8e202f794..9281ef10243 100644
--- a/scripts/i.tasscap/i.tasscap.html
+++ b/scripts/i.tasscap/i.tasscap.html
@@ -87,7 +87,7 @@ <h2>REFERENCES</h2>
   DERIVATION OF A TASSELED CAP TRANSFORMATION BASED ON LANDSAT 7 AT-SATELLITE REFLECTANCE.
   Chengquan Huang, Bruce Wylie, Limin Yang, Collin Homer and Gregory Zylstra Raytheon ITSS,
   USGS EROS Data Center Sioux Falls, SD 57198, USA
-  (<a href="https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1630&context=usgsstaffpub">PDF</a>).
+  (<a href="https://digitalcommons.unl.edu/usgsstaffpub/621/">PDF</a>).
   This is published as well in INT. J. OF RS, 2002, VOL 23, NO. 8, 1741-1748.</li>
 <li> MODIS Tasseled Cap coefficients - Ref: Lobser &amp; Cohen (2007). MODIS tasseled cap:
  land cover characteristics expressed through transformed MODIS data.
diff --git a/temporal/t.rast.algebra/t.rast.algebra.html b/temporal/t.rast.algebra/t.rast.algebra.html
index c949842125b..e5786d9578c 100644
--- a/temporal/t.rast.algebra/t.rast.algebra.html
+++ b/temporal/t.rast.algebra/t.rast.algebra.html
@@ -590,7 +590,7 @@ <h2>SEE ALSO</h2>
 <h2>REFERENCES</h2>
 
 The use of this module requires the following software to be installed:
-<a href="https://www.dabeaz.com/ply//">PLY(Python-Lex-Yacc)</a>
+<a href="https://www.dabeaz.com/ply/">PLY(Python-Lex-Yacc)</a>
 
 <p>
 <div class="code"><pre>
diff --git a/temporal/t.rast3d.algebra/t.rast3d.algebra.html b/temporal/t.rast3d.algebra/t.rast3d.algebra.html
index 05240aaf2e1..29ec831cf68 100644
--- a/temporal/t.rast3d.algebra/t.rast3d.algebra.html
+++ b/temporal/t.rast3d.algebra/t.rast3d.algebra.html
@@ -17,7 +17,7 @@ <h3>NOTES</h3>
 
 <h2>REFERENCES</h2>
 
-<a href="https://www.dabeaz.com/ply//">PLY(Python-Lex-Yacc)</a>
+<a href="https://www.dabeaz.com/ply/">PLY(Python-Lex-Yacc)</a>
 
 <h2>SEE ALSO</h2>
 
diff --git a/temporal/t.rename/t.rename.html b/temporal/t.rename/t.rename.html
index 7df57d667c0..98ec45270bd 100644
--- a/temporal/t.rename/t.rename.html
+++ b/temporal/t.rename/t.rename.html
@@ -1,6 +1,6 @@
 <h2>DESCRIPTION</h2>
 
-The <em>t.rename</em> module module renames space time datasets of different
+The <em>t.rename</em> module renames space time datasets of different
 types (STRDS, STVDS, STR3DS) and updates the space time dataset register
 entries of the registered maps.
 
diff --git a/temporal/t.select/t.select.html b/temporal/t.select/t.select.html
index fd674dc6bf6..bef3af167e3 100644
--- a/temporal/t.select/t.select.html
+++ b/temporal/t.select/t.select.html
@@ -359,7 +359,7 @@ <h2>EXAMPLES</h2>
 
 <h2>REFERENCES</h2>
 
-<a href="https://www.dabeaz.com/ply//">PLY(Python-Lex-Yacc)</a>
+<a href="https://www.dabeaz.com/ply/">PLY(Python-Lex-Yacc)</a>
 <p>
 Gebbert, S., Leppelt, T., Pebesma, E., 2019. A topology based spatio-temporal map algebra for
 big data analysis. Data 4, 86. <a href="https://doi.org/10.3390/data4020086">https://doi.org/10.3390/data4020086</a>
diff --git a/temporal/t.vect.algebra/t.vect.algebra.html b/temporal/t.vect.algebra/t.vect.algebra.html
index a3ad1663858..df91dfe0d62 100644
--- a/temporal/t.vect.algebra/t.vect.algebra.html
+++ b/temporal/t.vect.algebra/t.vect.algebra.html
@@ -442,7 +442,7 @@ <h3>Examples: </h3>
 
 <h2>REFERENCES</h2>
 
-<a href="https://www.dabeaz.com/ply//">PLY(Python-Lex-Yacc)</a>
+<a href="https://www.dabeaz.com/ply/">PLY(Python-Lex-Yacc)</a>
 
 <h2>SEE ALSO</h2>
 
diff --git a/vector/v.external.out/v.external.out.html b/vector/v.external.out/v.external.out.html
index 2260fa35a83..dbce4daff00 100644
--- a/vector/v.external.out/v.external.out.html
+++ b/vector/v.external.out/v.external.out.html
@@ -67,7 +67,7 @@ <h3>PostgreSQL/PostGIS Creation Options</h3>
   default: <code>topo</code></li>
   <li><code>TOPO_TOLERANCE=&lt;value&gt;</code> - tolerance for PostGIS
   Topology schema,
-  see <a href="https://postgis.net/docs/manual-2.0/CreateTopology.html">CreateTopology</a>
+  see <a href="https://postgis.net/docs/CreateTopology.html">CreateTopology</a>
   function for defails, default: <code>0</code></li>
   <li><code>TOPO_GEO_ONLY=YES|NO</code> - store in PostGIS Topology schema
   only data relevant to Topo-Geo data model, default: <code>NO</code></li>
diff --git a/vector/v.in.lidar/v.in.lidar.html b/vector/v.in.lidar/v.in.lidar.html
index 40519fe4475..a71c02ee101 100644
--- a/vector/v.in.lidar/v.in.lidar.html
+++ b/vector/v.in.lidar/v.in.lidar.html
@@ -105,22 +105,20 @@ <h2>NOTES</h2>
 
 <h2>EXAMPLE</h2>
 
-This example is analogous to the example used in the GRASS wiki page for
-<a href="https://grasswiki.osgeo.org/wiki/LIDAR#Import_LAS_as_vector_points">importing LAS as vector points</a>.
-<p>The sample LAS data are in the file "Serpent Mound Model LAS Data.laz",
+The sample LAS data are in the file "Serpent Mound Model LAS Data.laz",
 available at
-<a href="https://github.com/PDAL/data/raw/refs/heads/master/liblas/Serpent%20Mound%20Model%20LAS%20Data.laz">Serpent Mound Model LAS Data.laz</a>
+<a href="https://github.com/PDAL/data/raw/4ee9ee43b195268a59113555908c1c0cdf955bd4/liblas/Serpent%20Mound%20Model%20LAS%20Data.laz">Serpent Mound Model LAS Data.laz</a>
 
 <div class="code"><pre>
-  # print LAS file info
-  v.in.lidar -p input="Serpent Mound Model LAS Data.laz"
+# print LAS file info
+v.in.lidar -p input="Serpent Mound Model LAS Data.laz"
 
-  # create a project with CRS information of the LAS data
-  v.in.lidar -i input="Serpent Mound Model LAS Data.laz" project=Serpent_Mound
+# create a project with CRS information of the LAS data
+v.in.lidar -i input="Serpent Mound Model LAS Data.laz" project=Serpent_Mound
 
-  # quit and restart GRASS in the newly created project "Serpent_Mound"
-  # real import of LiDAR LAS data, without topology and without attribute table
-  v.in.lidar -tb input="Serpent Mound Model LAS Data.laz" output=Serpent_Mound_Model_pts
+# quit and restart GRASS in the newly created project "Serpent_Mound"
+# real import of LiDAR LAS data, without topology and without attribute table
+v.in.lidar -tb input="Serpent Mound Model LAS Data.laz" output=Serpent_Mound_Model_pts
 </pre></div>
 
 <h2>REFERENCES</h2>
diff --git a/vector/v.in.pdal/v.in.pdal.html b/vector/v.in.pdal/v.in.pdal.html
index af1f941eb6d..8b63033390a 100644
--- a/vector/v.in.pdal/v.in.pdal.html
+++ b/vector/v.in.pdal/v.in.pdal.html
@@ -27,7 +27,7 @@ <h2>REFERENCES</h2>
     V. Petras, A. Petrasova, J. Jeziorska, H. Mitasova (2016):
     <em>Processing UAV and lidar point clouds in GRASS GIS</em>.
     XXIII ISPRS Congress 2016
-    [<a href="https://isprs-archives.copernicus.org/articles/XLI-B7/945/2016/">ISPRS Archives</a>,
+    [<a href="https://doi.org/10.5194/isprs-archives-XLI-B7-945-2016">ISPRS Archives</a>,
     <a href="https://www.researchgate.net/publication/304340172_Processing_UAV_and_lidar_point_clouds_in_GRASS_GIS">ResearchGate</a>]</li>
 </ul>
 
diff --git a/vector/v.lrs/lrs.html b/vector/v.lrs/lrs.html
index 8286efd2f7d..4467df333b0 100644
--- a/vector/v.lrs/lrs.html
+++ b/vector/v.lrs/lrs.html
@@ -167,7 +167,7 @@ <h2>NOTES</h2>
 
 <h2>SEE ALSO</h2>
 
-<em>R. Blazek, 2004, <a href="https://web.archive.org/web/20070301130303/http://gisws.media.osaka-cu.ac.jp/grass04/viewpaper.php?id=50">Introducing the Linear Reference System in GRASS</a>, Bangkok, GRASS User Conf. Proc.</em><br>
+<em>R. Blazek, 2004, <a href="https://www.geoinfo-lab.org/grass04/Full%20Paper_PDF/Introducing%20the%20Linear%20Reference%20System%20in%20GRASS.pdf">Introducing the Linear Reference System in GRASS</a>, Bangkok, GRASS User Conf. Proc.</em><br>
 <em>R. Blazek, 2005, <a href="https://web.archive.org/web/20240814152234/http://creativecity.gscc.osaka-cu.ac.jp/IJG/article/download/320/321">Introducing the Linear Reference System in GRASS</a>, International Journal of Geoinformatics, Vol. 1(3), pp. 95-100</em><br>
 <p>
 <em>
diff --git a/vector/v.lrs/v.lrs.create/v.lrs.create.html b/vector/v.lrs/v.lrs.create/v.lrs.create.html
index 266345d651d..4410010adac 100644
--- a/vector/v.lrs/v.lrs.create/v.lrs.create.html
+++ b/vector/v.lrs/v.lrs.create/v.lrs.create.html
@@ -150,7 +150,7 @@ <h2>SEE ALSO</h2>
 <p>
 <em>
 <a href="lrs.html">LRS tutorial</a>,<br>
-<a href="https://web.archive.org/web/20070301130303/http://gisws.media.osaka-cu.ac.jp/grass04/viewpaper.php?id=50">Introducing the Linear Reference System in GRASS</a>
+<a href="https://www.geoinfo-lab.org/grass04/Full%20Paper_PDF/Introducing%20the%20Linear%20Reference%20System%20in%20GRASS.pdf">Introducing the Linear Reference System in GRASS</a>
 </em>
 
 <h2>AUTHORS</h2>
diff --git a/vector/v.lrs/v.lrs.label/v.lrs.label.html b/vector/v.lrs/v.lrs.label/v.lrs.label.html
index faed971ab15..5ea30ba5728 100644
--- a/vector/v.lrs/v.lrs.label/v.lrs.label.html
+++ b/vector/v.lrs/v.lrs.label/v.lrs.label.html
@@ -33,7 +33,7 @@ <h2>SEE ALSO</h2>
 <p>
 <em>
 <a href="lrs.html">LRS tutorial</a>,<br>
-<a href="https://web.archive.org/web/20070301130303/http://gisws.media.osaka-cu.ac.jp/grass04/viewpaper.php?id=50">Introducing the Linear Reference System in GRASS</a>
+<a href="https://www.geoinfo-lab.org/grass04/Full%20Paper_PDF/Introducing%20the%20Linear%20Reference%20System%20in%20GRASS.pdf">Introducing the Linear Reference System in GRASS</a>
 </em>
 
 <h2>AUTHORS</h2>
diff --git a/vector/v.lrs/v.lrs.segment/v.lrs.segment.html b/vector/v.lrs/v.lrs.segment/v.lrs.segment.html
index ca04d1e28b8..be29e00442f 100644
--- a/vector/v.lrs/v.lrs.segment/v.lrs.segment.html
+++ b/vector/v.lrs/v.lrs.segment/v.lrs.segment.html
@@ -56,7 +56,7 @@ <h2>SEE ALSO</h2>
 <p>
 <em>
 <a href="lrs.html">LRS tutorial</a>,<br>
-<a href="https://web.archive.org/web/20070301130303/http://gisws.media.osaka-cu.ac.jp/grass04/viewpaper.php?id=50">Introducing the Linear Reference System in GRASS</a>
+<a href="https://www.geoinfo-lab.org/grass04/Full%20Paper_PDF/Introducing%20the%20Linear%20Reference%20System%20in%20GRASS.pdf">Introducing the Linear Reference System in GRASS</a>
 </em>
 
 <h2>AUTHOR</h2>
diff --git a/vector/v.lrs/v.lrs.where/v.lrs.where.html b/vector/v.lrs/v.lrs.where/v.lrs.where.html
index 962ed0b9b2a..e57a20415a7 100644
--- a/vector/v.lrs/v.lrs.where/v.lrs.where.html
+++ b/vector/v.lrs/v.lrs.where/v.lrs.where.html
@@ -45,7 +45,7 @@ <h2>SEE ALSO</h2>
 <p>
 <em>
 <a href="lrs.html">LRS tutorial</a>,<br>
-<a href="https://web.archive.org/web/20070301130303/http://gisws.media.osaka-cu.ac.jp/grass04/viewpaper.php?id=50">Introducing the Linear Reference System in GRASS</a>
+<a href="https://www.geoinfo-lab.org/grass04/Full%20Paper_PDF/Introducing%20the%20Linear%20Reference%20System%20in%20GRASS.pdf">Introducing the Linear Reference System in GRASS</a>
 </em>
 
 <h2>AUTHORS</h2>
diff --git a/vector/v.out.postgis/v.out.postgis.html b/vector/v.out.postgis/v.out.postgis.html
index 678385c96ad..99e24fcf707 100644
--- a/vector/v.out.postgis/v.out.postgis.html
+++ b/vector/v.out.postgis/v.out.postgis.html
@@ -38,7 +38,7 @@ <h2>DESCRIPTION</h2>
   default: <code>topo</code></li>
   <li><code>TOPO_TOLERANCE=&lt;value&gt;</code> - tolerance for PostGIS
   Topology schema,
-  see <a href="https://postgis.net/docs/manual-2.0/CreateTopology.html">CreateTopology</a>
+  see <a href="https://postgis.net/docs/CreateTopology.html">CreateTopology</a>
   function for details, default: <code>0</code></li>
   <li><code>TOPO_GEO_ONLY=YES|NO</code> - store in PostGIS Topology schema
   only data relevant to Topo-Geo data model,
diff --git a/vector/v.proj/v.proj.html b/vector/v.proj/v.proj.html
index 8e96d796a6d..8552b0327f6 100644
--- a/vector/v.proj/v.proj.html
+++ b/vector/v.proj/v.proj.html
@@ -81,7 +81,7 @@ <h2>REFERENCES</h2>
   <li> <a href="https://proj.org/operations/index.html">Coordinate operations</a> by PROJ (projections, conversions, transformations, pipeline operator)</li>
   <li> <a href="https://mapref.org">MapRef -
       The Collection of Map Projections and Reference Systems for Europe</a></li>
-  <li> <a href="http://www.crs-geo.eu">Information and Service System for European Coordinate Reference Systems - CRS</a></li>
+  <li> <a href="https://www.crs-geo.eu">Information and Service System for European Coordinate Reference Systems - CRS</a></li>
 </ul>
 
 <h2>SEE ALSO</h2>