Endowment established in 1942 by Paul and Mary Mellon to fund scholarly research and publication in the humanities. Correspondence, memoranda, bylaws, minutes, reports on publications and projects, grant applications, financial statements, and other records concerning the genesis and administration of the foundation. Translations of literary works, editorial correspondence, and production records document publications in the Bollingen Series

Physician, psychiatrist, and psychoanalyst. Correspondence, memoranda, speeches and writings, reports, notes, financial and legal papers, family papers, printed matter, photographs, and other papers relating to Kubie's career in psychoanalysis.

Author and editor. Correspondence, memoranda, subject files, drafts, production and publication material, reports, project proposals, editorial and research material, minutes of meetings, notes, promotional material, printed matter, and miscellaneous papers relating to McGuire's career as an editor and author.