Publisher of thousands of plays in "acting editions," including full-length,, short, musicals, collections, and not-yet-published. To search their offerings, you can use the PlayFinder found on their homepage.
Indexes plays by author and title, and identifies books and periodicals in which the play is located. You will then need to obtain the items either from the library's collection or interlibrary loan.
An index of historic and contemporary plays with information on adaptations and translations.
This unique resource covers classic and historical plays, along with the works of contemporary playwrights. Play Index covers new editions and translations, and includes descriptive annotations to summarize the plot and indicate musical requirements.
Playscripts publishes over 1000 new plays and its Web site may be searched according to different criteria and provides lengthy script samples for free.