Personal and professional papers of the notable literary critic. The collection includes correspondence, manuscripts, notes, journals, photographs, drawings and films, and a collection of signed and annotated books and magazines from Dupee's library.

Correspondence, manuscripts, documents, notebooks, memorabilia, a tape cassette, photographs, and printed materials. The collection is primarily correspondence files, both personal and professional, along with book reviews, awards and diplomas, letters of condolence on his death, clippings, and correspondence, manuscripts and printed materials relating to THE STREAM OF HISTORY. The correspondence relates specifically to the third edition. The manuscripts are typed and holograph inserts for the third edition and possibly for the second edition as well. Among the manuscripts are twenty-two notebooks containing holograph notes and drafts of chapters. The printed material consists of one copy of THE STREAM OF HISTORY, 1934 edition.

Personal and professional papers of the foreign correspondent. The collection includes telexes from the Korean War and from assignments across Southeast Asia, letters to and from Steinberg, annotated copy and clips of published work, fiction by Steinberg, various items Steinberg collected in his work and travels, and photographs. Items from the Steinberg family collection include illustrations and book covers by Isador N. Steinberg.