Correspondence, manuscripts, notes, memoranda, notebooks, notecards, proofs, photographs, microfilms, and printed materials. The Papers include the manuscript research materials and correspondence for each of his books except his biography of Theodore Dreiser. Among the correspondents are William Benton, Bruce Catton, Carey McWilliams, Mrs. Fremont Older (Cora Miranda Baggerly Older), and Thornton Wilder.

Correspondence files of Roberts Brothers, pertaining to all departments, editorial, production, advertising, and sales. Also, some miscellaneous letters and documents, unrelated to Roberts Brothers, which deal with various legal matters, including those of Frederick D. Ely and of William A. Dunn, from 1838 until 1932, and letters to the Secretary of Harvard University from 1900 to 1907.

A unique collection of literary and historical items collected by Christopher Coover.

Historian, archivist, social activist, and Roman Catholic priest, Browne taught at Catholic University of America (where he also served as University Archivist); St. Joseph's Seminary, Yonkers, N.Y.; Cathedral College; and Rutgers University. He was active in community affairs in New York and Paterson, N.J. His primary research interests were John Hughes, first archbishop of New York, and labor and church history.