Entry at the Lied and Arts Songs Text Page with list of vocal works and lyrics.

Brief entry with the Classical Composers Database notes conflicts for his birth date.

Biography from the Here Of A Sunday Morning radio program with education, appointments and commissions, major works, misattributions, partial discography, and related topics.

Catholic Encyclopedia entry notes his torn allegiences between sacred and secular music, mentions the delicate nature of his works coming from his own nature, and comments on his poor health.

Filmography at IMDb with list of movies using or based on his compositions.

Lyric Opera of Los Angeles provides a biography focusing on his operatic output, noting how various successes or failures led him to and from working in the genre.

Wikipedia article with summary of his brief life, main genres, noted works, and internal references to related people and topics.

Brief biographical sketch, caricature, summaries of operatic, orchestral, chamber, and church music, and Naxos discography.

Lists him among the premier musicians and composers of the early 1700s, especially for his contributions to opera buffa. Also notes his religious works, especially the Stabat Mater.

Biographical material, links, and directory of MP3 audio files from Classic Cat.

Find A Grave entry with summary of brief life and wide-ranging works, portrait, picture of cenotaph at Church of St. Anthony of Padua, Pazzuoli, Italy, and interactive memorial.

Grove Concise Dictionary of Music entry at WQXR radio includes life, posthumous growth of fame, musical developments, selected works, and rightly and wrongly attributed compositions.

Biography from Timothy A. Smith's Sojourn pages with portrait, related composers, and explanations of terms.

Composer information notes ill health, mentioning that this piece was probably his final composition. Includes general information about the work, illustrates it with a color bar, and compares ten CD recordings.

Project of CUNY's Brook Center for Music Research and Documentation. Provides brief biography and background of the project to catalogue his genuine compositions.