Are you certain it's an original of his, and not an arrangement of the Leo Kottke piece that pops up as the top hit in a google search?
You should be able to get the chords with Chordify at least
Gretsch G9240 "Alligator" wood-body resonator converted to non-metal strings (China, 2018?)
Bolink baroque violin (Hilversum, 1982)
Formerly: Brian Cohen baroque violin (London, 1985), Nadegini modern violin (Paris, 1924)