Cyberdance - "This is a collection of over 3,500 links to classical
ballet and modern dance resources on the Internet."
Voice of Dance - perhaps the single best website for professional and amateur dance enthusiasts
Balletcompanies.com - "We are your gateway to the ballet and dance world.  On this site you'll find over 2000 links to ballet and dance companies all over the world"
Artslynx Homepage - International Arts Resources provides "Links to  Theatre,  Dance,  Music,  and more"
Artslynx International Dance Resources - "Dance Links, Ballet Links, and other resources organized into accessible
 link libraries" is edited by Richard Finkelstein
Sapphire Swan Dance Directory - links to dance styles ranging from ballet and belly, to tango and tap
Music, Theatre and Dance Resources on the Internet - links to many professional organizations for music, theater and dance from Library of Congress