RollingStone: William Ackerman
- Includes a biography, discography, photos, links and message board.
- http://www.rollingstone.com/artists/williamackerman

All Music Guide: William Ackerman
- Includes biography, discography, and reviews.
- http://www.allmusic.com/cg/amg.dll?p=amg&sql=Blu7ibkk96akv

Artist Direct: William Ackerman
- Brief biography, message board.
- http://ubl.artistdirect.com/music/artist/card/0,,395353,00.html

Colin Glassey on William Ackerman
- Reviews of Ackerman's recordings.
- http://www.teleologic.com/crghome/acker.html

FolkLib Index for William Ackerman
- Comprehensive index of links related to the fingerstyle acoustic guitar instrumentalist and founder of Windham Hill Records.
- http://www.folklib.net/index/a/ackerman_william.shtml