Filmography listing movies and television programs using or based on his works, brief biography, and links to related material from the Internet Movie Database (IMDb).

Scholarly article exploring contradictory evidence as to whether or not he wrote specifically for the instrument from ICA's Clarinet Journal anthology by R. B. Chatwin.

Brief essay exploring whether or not he wrote specifically for the instrument or if indications actually point to the trumpet from ICA's Clarinet Journal anthology, Jan La Rue.

Biography and musicography by Daryl Lee plus links. From the Michael O'Neal Singers' Composer of the Month feature.

Karadar dictionary entry with life, works, catalogue, operas, illustrations, related composers, and MIDI audio examples of his works.

Brief biographical note, selected works, quotes, recommended reading and recordings, other resources, and timeline from Humanities Web.