Thank you Mr. Offer. Obviously a real labor of love. WELL DONE!!
What format would you like to see the tunes in? Point to an example.
Another good source for material:
http://www.folk-network.com/directory/links/song-collections_books.html
Chico State, in your neck of the woods, also has a good collection on-line.
Sincerely,
Gargoyle