ArtSearch from Theatre Communications Group has a subscription job listing service for a fee.
A free, searchable database of cultural employment opportunities in Massachusetts from the Massachusetts Cultural Council
American Theatre Wing's YouTube Channel offers these video series:
"An acclaimed fixture on New York television and in the theatre community for 30 years, the American Theatre Wing's "Working in the Theatre" offers an unprecedented forum for the meeting of theatrical minds"
The Grey House Performing Arts Directory
REF 792 G869
2007-2008 Theatre Directory
REF 792.02 Sc84t
Summer Theatre Directory 2008
REF 792.02 Su64
Stage Directors Handbook
REF 792.0233023 St13
Dramatists Sourcebook: Complete Opportunities for Playwrights, Translators, Composers, Lyricists and Librettists
REF 792.029 D79
Regional Theatre Directory
REF 792.029 R263
The Dramatists Guild Resource Directory
REF 808.2 D79
American Theatre Wing. Founder of the Tony Awards.