Biographical article in the Columbia Encyclopedia, Sixth Edition, 2001.

Musical biography focusing on his sacred pieces, especially their Italian lyricism and counterpoint from the Grove Concise Dictionary of Music entry at WQXR radio.

Audio files offered in MIDI, MP3, and Windows Media audio formats, including live recordings of featured artists.

Musica Classica classical music dictionary article.

Biography and music from the Cyber Hymnal with links to MIDI audio of the tune St. Petersburg.

Musica Classica listing of his operatic works, including the Italian libretto by Pietro Metastasio of Alcide.