DoobFan.com: Fan site: history of the band, lyrics, fan club, photographs, and links.
Doobies Unofficial Home Page: Fan site: concert photographs, news, and links.
RollingStone.com: The Doobie Brothers: Includes biography, photograph, discography, and message board.
Sony Music: Doobie Brothers: Includes album information, biography, and tour details.
The Official Doobie Brothers Home Page: Profile, news, discography, merchandise, and concert information.