This selective bibliography, a guide to scholarship in the American drama and related subjects, provides coverage of the major works and topics, with emphasis on work published in the 20th century. Unpublished dissertations, most literary histories, and short notes and explications are omitted. Entries are listed under the general topics of reference works; American literary history; anthologies and bibliographies of the American drama; histories of the American theater and drama; accounts of actors and producers; studies of technique; special theatrical groups--Provincetown, Federal Theatre, Theatre Guild and group theatre, civic theatre, and others; and special studies of the American drama--by periods, regions, genre, theme or subject. Most of the entries in the bibliography are grouped under 26 major and 26 minor American dramatists. An index of scholars represented is provided. (JM)