Catholic Encyclopedia: Johann Michael Haydn
Biographical article.
Classical Music Archives: Haydn
Music files offered in MIDI format.
Cyber Hymnal: Johann Michael Haydn (1737-1806)
[2 hymns: MIDI] Brief biographical note; portrait.
Haydn, Johann Michael
Grove Concise Dictionary of Music entry with life, family relationships, musical development, and list of works from WQXR radio.
Haydn, Michael (1737 - 1806)
Biographical data, recommended CDs, books and sheet music, bibliography, and links to biographical essays from Dr. Estrella's Incredibly Abridged Dictionary of Composers.
Johann Michael Haydn
Brief biographical sketch, caricature, summaries of church, orchestral, and chamber music, and Naxos discography.
Michael Haydn Project
Biography, historical background, list of works including MH number, date, title, type, and key, CD discography, and noted contemporaries.