Jazz Singers.com
   Dedicated to the promotion of jazz singers and their profession. Includes links to their websites, recordings, books, a message board, and related links.
   http://www.jazzsingers.com/

The Vocalese Page
   Links to information on and biographies of jazz vocalese artists Eddie Jefferson, Lambert, Hendricks and Ross, Manhattan Transfer, Jon Hendricks and Kurt Elling, among others.
   http://www.deathstar.org/~colomon/vocalese/vocalese.html