how do we deal with / merge texts that exist in multiple places on the Internet?

[JonathanReeve]

@tfmorris writes on the GITenberg list:

how do we choose the best of (or create a better union copy?):

https://github.com/Git-Lit/000624240
https://archive.org/details/chroniclesofcasc00cole
https://archive.org/details/chroniclesofcasc01cole
http://babel.hathitrust.org/cgi/pt?id=loc.ark:/13960/t14m9b674;view=1up;seq=3

and recognize that this metadata is all about the same volume (and perhaps derived from each other in some non-independent way):

https://github.com/Git-Lit/000624240/blob/master/metadata/000624240.xml
https://openlibrary.org/books/OL13999993M/Chronicles_of_Casco_Bay_...
https://openlibrary.org/books/OL13999993M.json
https://openlibrary.org/books/ia:chroniclesofcasc01cole/Chronicles_of_Casco_Bay_..
https://openlibrary.org/books/ia:chroniclesofcasc01cole.json
http://catalog.hathitrust.org/Record/009574264