Correspondence (1934-1968); manuscripts by Pohl and others (1947-1965); legal and financial papers (1917-1964); and published material. Correspondents include Forrest J Ackerman, Isaac Asimov, Ray Bradbury, Judith Merril, Clifford Simak, many others. Collection also includes a large selection of fanzines and convention material.

Papers of the American author, science fiction short story writer and novelist. Includes artwork, correspondence, typescript drafts, revisions, and manuscripts of articles, novels, short stories, and speeches.

Correspondence, printed material and memorabilia of the American science fiction author, editor and fan.

Papers of the American author, science fiction writer, professor. Includes correspondence and writings, including plays, poems, and short stories.