Johannes Simon Mayr
- List of operas with premiere information and link to Karadar Dictionary article with biography and related people.
- http://www.karadar.it/Operas/mayr.html

Johann Simon Mayr
- Biography, portrait, and brief analysis of his "Grande messa da requiem in sol minore" from the Alphabetical Survey of Requiem Composers.
- http://www.requiemsurvey.org/index.php?page=showcomposer.php&id=523

Simon Mayr
- Wikipedia article with biography and internal links to related people and topics.
- http://en.wikipedia.org/wiki/Simon_Mayr

Mayr's Cantata for Beethoven
- English lyrics of the tribute he wrote upon hearing of Beethoven's death.
- http://www.lvbeethoven.com/Bio/BiographyCantataMayr.html

Johann Simon Mayr (1736 - 1845)
- Biography noting studies and career with special attention on his influence in the cities of Ingolstadt, Germany and Venice, Italy with portrait and Guild Music discography.
- http://www.guildmusic.com/composer/mayrj.htm

Mayr, Johann Simon
- Biography noting his move to Italy and briefly covering his secular and religious musical careers. From the Grove Concise Dictionary of Music entry at WQXR radio.
- http://www.wqxr.com/cgi-bin/iowa/cla/learning/grove.html?record=5877