General Directory
Scholarly Societies Project from the University of Waterloo Library
http://www.scholarly-societies.org/
American
http://www.aate.com
American Association of Community Theatre
http://www.aact.org
American Society for Theatre Research
http://www.astr.umd.edu/
American Theatre Arts for Youth
http://www.atafy.org
Educational Theatre Association
http://www.edta.org/
Institute of Outdoor Drama
http://www.unc.edu/depts/outdoor/
International Theatre Institute
http://iti-worldwide.org
National Theatre Institute
http://nti.conncoll.edu/
Southeastern Theatre Conference
http://www.setc.org
United States Institute for Theatre Technology
http://www.usitt.org
University/Resident Theatre Association
http://www.URTA.com