Correspondence, manuscripts, lectures, notes, diaries, notebooks, reports, financial records, blueprints, photographs, and printed materials of Y.C. James Yen and the IIRR concerned with the development, sharing, and financing innovative methods of teaching, improving agriculture, health and family planning, and education in impoverished villages. Among the cataloged correspondents are: Pearl Buck, William O. Douglas, Nelson Rockefeller, and DeWitt Clinton.

Correspondence, manuscripts, dispatches, documents, clippings and other printed materials concerning his career as an editor and correspondent for the New York Herald Tribune in Moscow, Berlin and New York, as a staff member of the Institute of Pacific Relations from 1932 to 1934, as deputy director in the Office of War Information overseas branch, 1941-44, as an owner and editor of the New York Star, 1948-49, as an instructor in communications at Sarah Lawrence College, 1950-1951, as a book editor at Simon and Schuster, Publishers, 1951-1970, and as an author and translator.

Correspondence, manuscripts, documents, memorabilia and printed materials. The correspondence deals with literary and political topics, from such people as Hayden Carruth, Irwin Edman, Lola Ridge and Norman Thomas; numerous manuscripts of Mrs. Marshall's writings, including the notes, drafts, manuscripts and proofs of her last novel THE HILL IS LEVEL and various manuscripts of the stories published in THE CONFRONTATION AND OTHER STORIES, and numerous manuscripts of poetry and short stories. Also included is material on the World War II draft of 19-year-olds, economic aid for Western Europe, the Vietnam War, the origin of SANE, the Committee for Nuclear Responsibility, the Amchitka Islands nuclear tests, the Task Force against Nuclear Pollution, and personal correspondence from her own and her husband's families