Biography showing early education, musical positions, summary list of works, and speculation on the possibility that many of his religious works have disappeared. From the Grove Concise Dictionary of Music entry at WQXR radio.

Biographical data, recommended CDs, books and sheet music, bibliography, and links to biographical essays from Dr. Estrella's Incredibly Abridged Dictionary of Composers.

Art songs listed at REC Music Foundation including Italian lyrics.

Brief life and summary of operas.

Biography, musical development, positions held, noted works, and link to related material on operas from the Here of a Sunday Morning radio program.

Biography with emphasis on his operas and relationship with Monteverdi. Includes MIDI audio files.