These sources may be used to find a definition of a literary term or a brief overview of a topic. Specialized one volume encyclopedia for theater, with somewhat longer articles.
Last volume includes a glossary and indexes.
Provides brief definitions of literary terms, concepts, phrases, styles and genres. Includes many non-western terms. International Dictionary of Theatre - REF PN 2035 .I49 vols. 1-5 Contains longer articles on plays and playwrights, including performance histories and background articles. Last volume includes a glossary and indexes.