The collection contains Pachter's writings in history, economics, current events, the social sciences and other topics. The bulk of the collection consists of Pachter's published essayistic writings, both for journals (including numerous articles for Dissent) and for newspapers.

The correspondence, research, and teaching files of French-American cultural historian and Columbia University professor emeritus Jacques Barzun (1907-2012).

Correspondence, manuscripts, audio cassettes, photographs, and printed materials. The correspondence covers the years 1934 through 1999 and consists mostly of letters to and from James L. Weil, whose Elizabeth Press was Bronk's publisher from 1969 to 1981, from Eugene Canadé, an artist who illustrated many of Bronk's books, from Bronk's sisters, and from many friends. There are also letters from W.H. Auden; Paul Auster, Cid Corman (Bronk's first publisher and founder of ORIGIN, the magazine in which many of Bronk's early poems first appeared), Robert Creeley, Samuel French Morse, Gilbert Sorrentino, and many other well-known authors. The manuscripts include notebooks and binders containing handwritten and typed drafts of poems and essays. They document nearly all of Bronk's published writings including the collection of essays he completed in the 1940s which was published in 1980 as THE BROTHER IN ELYSIUM as well as the collection of poems published in 1981 as LIFE SUPPORTS: NEW AND COLLECTED POEMS for which Bronk won the American Books Award in 1982. There are also page proofs, photographs of Bronk, many audio cassettes of Bronk reading his work in the 1970s and the 1980s and printed materials

Correspondence, manuscripts, notes, clippings, and photographs of or relating to Cardozo, including his lecture notes as a student at Columbia, 1885-1889, and his commonplace books. Also, four boxes of printed and manuscript material collected by George S. Hellman while writing BENJAMIN N. CARDOZO, AMERICAN JUDGE; and photocopies of letters, manuscripts, and notebooks of original Cardozo papers in the Cardozo School of Law Library. Materials re. his estate and will have been added.

This collection consists of the papers of John Bates Clark, a prominent United States economist, educator, and activist for international peace.

Correspondence, manuscripts, notes, documents, book typescripts, photographs, and printed materials covering the time from Dorfman's early interest, as a graduate student, in the economic thought of Thorstein Veblen until his retirement. There is correspondence with his academic colleagues, students, publishers, and the family and students of Thorstein Veblen, as well as manuscripts, typescripts, drafts, revisions, notes, photographs, pamphlets, and related materials for his articles and books which include: THORSTEIN VEBLEN AND HIS AMERICA, 1934; THE ECONOMIC MIND IN AMERICAN CIVILIZATION, 1946-1959; EARLY AMERICAN POLICY, 1960; INSTITUTIONAL ECONOMICS, 1963; TYPES OF ECONOMIC THEORY, 1967; and NEW LIGHT ON VEBLEN, 1973

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, manuscript, and drawings relating to English and American literature of the 19th and early 20th centuries collected by Solton (1896-1961) and Julia (-1984) Engel. Ten letters and four manuscripts of poems by Rudyard Kipling form the largest unit within the collection. Prominent among the other items are the manuscript of Robert Louis Stevenson's "Mock Trial" and two Walt Whitman letters, a copy of R. W. Emerson's famous "Leaves of Grass" letter in Whitman's hand and Whitman's letter to Conway regarding the Emerson letter. Also included is a letter from James Fenimore Cooper to Mary Rutherfurd Clarkson Jay, wife of Peter Augustus Jay. Thirty-one of the drawings in the collection are by William Wallace Denslow and John Rae Neill and represent illustrations done for various works by L. Frank Baum. There are also two drawings of Gelett Burgess, one ot "The Goop" and the other of "The Purple Cow." Castings of the obverse and reverse of the bronze Kipling medallion commissioned by Engel in 1953 from Julio Kilenyi are stored in 2 oversize boxes. Most of the items in this collection relate to a collection of first editions which was also presented to the Libraries by Mr. and Mrs. Engel.

Correspondence relating to Erskine's various educational, musical and literary interests; manuscripts of his writings; lecture notes for college courses; souvenirs of his army service in World War I and his Columbia University professorship, and student papers from his own school and college days. Also, biographical file, scrapbooks, and articles.

A small group of letters, manuscripts, notes, notebooks, a diary, a document, and 43 books from his library of French literature, 32 of which are signed and inscribed to him by the author.