Richard Stallman on James Gosling: “[…] a friend of mine told me that because of his work in early development of Gosling Emacs, he had permission from Gosling in a message he had been sent to distribute his version of that. Gosling originally had set up his Emacs and distributed it free and gotten many people to help develop it, under the expectation based on Gosling’s own words in his own manual that he was going t…
Fen Labalme message: https://groups.google.com/d/msg/net.emacs/Vxp_Is2A5Cs/l6AmKi...
Unipress message about the "portions of the GNU Emacs program are most definitely not public domain" https://groups.google.com/forum/#!msg/net.emacs/ZmwEvkr9Jfs/...
RMS explaining what code he used: https://groups.google.com/d/msg/net.emacs/eyFgYVrEe0Q/Avxp17...
and then some more discussions: https://groups.google.com/d/msg/net.emacs/DRVCmoISBEU/efLdK-...
https://groups.google.com/d/msg/net.emacs/PXHNtn7v4Rc/OFi1Ef...
https://groups.google.com/d/msg/net.emacs/-2IaisY2N0Q/r4Fd9N...
https://groups.google.com/d/msg/net.emacs/dytp5TT-02I/zUI4Ul...
and one from GvR https://groups.google.com/d/msg/net.emacs/HJOjV7_2cyY/Bm6oUm...
https://groups.google.com/d/msg/net.emacs/ilF9KtBimCk/WwO5NS... has the cost of getting an EMACS tape from RMS "GNU Emacs can be obtained from anyone who has a copy or by sending $150 payable to me"
On old emacs source code: https://github.com/larsbrinkhoff/emacs-history