Photographs of structures or drawings, most unidentified, made for the Westchester County Park Commission, Undated

Collection consists primarily of correspondence documenting Clarke's unsuccessful campaign to prevent the demolition of Cornell University's Boardman Hall and its replacement by Olin Library. Also included are addresses, published Christmas sonnets by Clarke, 1968-1980, 1982, clippings, articles, letters to the editor (Ithaca Journal and the New York Times), photographs, campus maps, and photocopies of letters, including two from Harry S. Truman concerning Clarke's opinion on remodelling part of the White House (1947). Represented in the collection are Bernhard Louis Clynes, John Lyon Collyer, George Bain Cummings, Edmund Ezra Day, Arthur Hobson Dean, C.W. DeKiewiet, Douglass Boardman Lee, Thomas W. Mackesey, Deane W. Malott, Floyd Roy Newman, Jerome O'Connor, Nathaniel Alexander Owings, Gustav Jaeger Requardt, and Allen Hosie Treman.

Approximately 150 mounted gelatin silver print photographs of projects Clarke designed as landscape architect for the New York City Park Commission, ca. 1930- 1937. Approximately 400 photographs of projects Clarke designed as landscape architect for the Westchester County (N.Y.) Parks Commission, especially the Bronx River Parkway, ca. 1925-ca. 1937, including one photograph of Franklin Delano Roosevelt, ca. 1925.