Consists of selected papers of Thompson, including 27 scrapbooks of clippings (1884-1941) of his columns and articles written while he was a Washington correspondent, book reviewer, and editor of the New York Times (1899-1921) and, later, a writer in Philadelphia for the Public Ledger (1921-1922) and Commonweal (1930-1931). Also included are 11 volumes called "The Archives" containing papers read before the Beecher Literary and Debating Society (1887-1910) in Brooklyn and a history of the club (1887-1907) compiled and edited by Thompson with the assistance of Reuben A. Bull. In addtion there is family and personal correspondence (1881-1948), as well as bound volumes of family memorabilia, poems, and correspondence, and a small section of articles, book reviews, poems, and loose clippings. Miscellaneous items include printed matter, notes, galleys for The Godlike Daniel (1930) by Samuel Hopkins Adams, and poems by Frances Mathilda Ford.