Amilcare Ponchielli: List of his operatic works and birth and death dates from Stanford University.
Amilcare Ponchielli: Karadar dictionary entry with life, illustrations, MIDI audio sample, related composer links, and operas.
Amilcare Ponchielli: Biographical information and list of operas from the Classical Composers Database.
Amilcare Ponchielli: Grove Concise Dictionary entry from WQXR radio in New York.
Amilcare Ponchielli: Filmography at IMDb lists appearances of his music in various movies.
Amilcare Ponchielli: Biography from the Arizona Opera includes portrait.
Amilcare Ponchielli (1834-1886): Brief biographical sketch, summary of operas, caricature, and Naxos discography.
Classical Music Archives: Ponchielli: Music files offered in MIDI format.