This Judith Merril bibliography includes both primary and secondary works, arranged in categories that are suitable for her career and that are, generally, common to the other bibliographies in the Center for Bibliographic Studies in Science Fiction. Works by Merril include a variety of types and modes—pieces she wrote at Morris High School in the Bronx, newsletters and fanzines she edited; sports, westerns, and detective fiction and non-fiction published in pulp magazines up to 1950; science fiction stories, novellas, and novels; book reviews; critical essays; edited anthologies; and both audio and video recordings of her fiction and non-fiction.