Plays are shelved with literature, which means they're normally broken down into the nationality of the author. A selected list of Library of Congress literature subject headings:
Search Tip: When browsing or searching titles, remember that plays are often collected in anthologies. Try searching the work’s title as a keyword. You may also wish to consult a reference source such as Ottemiller's Index to Plays in Collections, or look through other drama indexes in CLIO.
Some of these databases have lists of plays with where they're published, but many include the full text of plays.
To find plays as ebooks in CLIO, try a search for online books. You can always limit by language, publication date, and put in a search term (e.g., "monologues") to help narrow your search
Contains over 1,200 plays by 300 playwrights from North America, Africa, the Caribbean, Europe, Australia, and other locations, including some of the great names in drama (Zora Neale Hurston, August Wilson, Ossie Davis, Sonia Sanchez, Langston Hughes). Also included, selectively, are production photographs, as well as images of playbills and other ephemera. Many of the plays are previously unpublished.
Digital library of scripts by living writers which can be filtered by title, length, age level, genre, subject matter, production history, script availability, cast size and characteristics, playwright, and playwright demographics. Includes a directory of organizations and one of people, which are faceted by role (dramaturgs and types of writers), gender identity, race/ethnic identity, sexual identity, and location. While the focus is currently North American, the intended scope is international.
Index to more than 30,000 plays written from Antiquity to the present and published from 1949 to the present; includes mysteries, pageants, plays in verse, puppet performances, radio and television plays, and classic drama. Unique search limits include gender and number of cast members, genre, document type, and grade interest level.
Digital library of scripts by living writers which can be filtered by title, length, age level, genre, subject matter, production history, script availability, cast size and characteristics, playwright, and playwright demographics. Includes a directory of organizations and one of people, which are faceted by role (dramaturgs and types of writers), gender identity, race/ethnic identity, sexual identity, and location. While the focus is currently North American, the intended scope is international.