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.

Correspondence, financial and legal material, memorabilia, fanzines, and writings including short stories, plays, novels, novellas, and miscellaneous items.

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