Check out these Dance journals for articles on your topic. Available electronically or in print (in Lilly Library)
Try a search in Search TRLN, a catalog of the Triangle Research Libraries (UNC, Duke, NC State, NCCU)
Try a search in Worldcat, a catalog for libraries all around the world.
International Encyclopedia of Dance
Print version in Lilly Library's Reference Collection
Call No: GV1585 .I586 2004
Oxford Reference Online: Performing Arts
Search dance and performance art encyclopedias and dictionaries