Green Man Review: Planet Drum - A review of the album released in 1991 and re-released in 1999. www.folk-tales.com/planetdrum.html
mrlee.com: Mickey Hart - A review of the enhanced CD Spririt into Sound, released in January, 2000. www.mrlee.com/cdreviews/mhart-spirit%20into%20sound.html
PauseRecord: Beyond the Edge of Magic - A review of the album Supralingua by Mickey Hart and Planet Drum, released in 1998. www.pauserecord.com/tim/supralingua.html
The Music Monitor: Mystery Box - A review of the album, released in June, 1996. www.penduluminc.com/MM/reviews/hart.html
UCSC: Spirit into Sound: The Magic of Music - A review of the book, co-authored by Hart and Fredric Lieberman, published in November, 1999. currents.ucsc.edu/99-00/01-17/lieberman.html
