Guinness Encyclopedia of UnPopular Music: Peter Schickele 
Entry is a serious brief biography with a selected list of works under his own name and as alter ego P. D. Q. Bach.
http://members.tripod.com/GabrielMcCann/Guinness.htmlPeter Schickele
Official site of the composer and his fictitious 18th Century alter ego. Includes compositions, concert tour schedule, biography, purchase information, crossword puzzle, SchickeleMix radio show on PRI, and track listings for CDs.
http://www.schickele.com/
Peter Schickele
Biography with list of works, recordings, and books from Presser. Includes portrait.
http://www.presser.com/Composers/info.cfm?Name=PETERSCHICKELE
Peter Schickele
Filmography at IMDb with biography, publicity, and related links.
http://us.imdb.com/name/nm0771352/
Peter Schickele
Detailed biography from the Kennedy Center examines his background and education and deals with both serious and humorous output.
http://www.kennedy-center.org/calendar/index.cfm?fuseaction=showIndividual&entity_id=9468&source_type=A
Peter Schickele
Wikipedia article noting personal and professional highlights with internal references to related people and topics, including P. D. Q. Bach, and links.
http://en.wikipedia.org/wiki/Peter_Schickele
