The Penguin Cafe Orchestra Official site includes history, member profiles, discography, and merchandise. http://www.penguincafe.com/

All Music Guide: The Penguin Cafe Orchestra Brief profile, and discography with reviews. http://www.allmusic.com/cg/amg.dll?p=amg&sql=B26zsa9qgb230

Penguin Cafe Orchestra Includes discography, review, and history, as well as a biography and tribute to Simon Jeffes. http://www.iceforce.co.uk/PCO/

Unofficial Yasuharu Konishi Discography List of releases from 1985 to the present. Includes news and bulletin board. http://www.stekki.com/konishi