3 links
Hoagy Carmichael Collection
dlib.indiana.edu
Searchable collection of lyrics, sound files (RealPlayer), photographs, corresponsdence and supplemental research material about this songwriter who lived 1899-1981.
Jerry Jazz Musician: Richard Sudhalter
jerryjazzmusician.com
Interview with biographer Richard Sudhalter about Carmichael's life and music, with audio samples.