Pérotin
- Wikipedia article summarizing his style and noting his influence on late 20th Century minimalism such as that of Steve Reich. Includes internal references to related people and topics.
- http://en.wikipedia.org/wiki/P%C3%A9rotin

Pérotin the Great
- Brief biography of Perotinus Magister with key works, suggested reading, timeline, and recommended recordings from Humanities Web.
- http://www.humanitiesweb.org/human.php?s=c&p=c&a=i&ID=9

HyperMusic: Leonin and Perotin
- Biographical material on the two composers and their relationship with each other. Includes sample music in MIDI audio format.
- http://www.hypermusic.ca/comp/leonin.html

Classical Music Archives: Perotin
- Music files offered in MIDI format.
- http://www.classicalarchives.com/early-p.html#PEROTIN

Pérotin [Perotinus Magnus]
- Biography, musical contributions, related composers, and related material from the Here Of A Sunday Morning radio program.
- http://www.hoasm.org/IIC/Perotin.html

Pérotin Magister
- Classical Net's Basic Repertoire with biography, historical significance, and recommended recordings.
- http://www.classical.net/music/comp.lst/perotin.html

Pérotin, (c. 1160 - c. 1205), France
- Biographical data, major works, musicological development, recommended CDs, books, and sheet music, bibliography, and links to biographical essays from Dr. Estrella's Incredibly Abridged Dictionary of Composers.
- http://stevenestrella.com/composers/composerfiles/perotin1205.html

Perotin and Notre Dame Organum
- Biographical background and relationship with Leonin lead to a brief explanation of the growth of polyphony and indications of how it led into development of the motet. Includes links.
- http://www.vanderbilt.edu/Blair/Courses/MUSL242/perotin.htm

Perotin: A Discography
- Notes scant biography as provided by Anonymous IV, tracing his relationship to Leonin and his own contributions to polyphony. Recordings containing his works are listed.
- http://www.medieval.org/emfaq/composers/perotin.html