Lewis Mumford's correspondence concerning statement of purpose for the Regional Planning Association of America (very brittle) copies for use in folder 1, additional related material, 1925, 1930

Lewis Mumford's correspondence concerning statement of purpose for the Regional Planning Association of America (very brittle) copies for use in folder 1, additional related material, 1925, 1930, Box: 28, Folder: 4. Clarence Stein papers, 3600. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/414293 Accessed January 20, 2026.