Improv Encyclopedia Collection of improv games, drama exercises, improv handles, and references, indexed in 27 categories. Resources can be downloaded as a pdf booklet.
International Playback Theatre Network (IPTN) Supports development of playback theatre worldwide through its programs and services, membership benefits, training resources, administration, and contacts.
Improv Page, The Bernie Roehl presents a clearinghouse for information about improvisational theatre.
