Report on the Motor Vehicle and Street Traffic Problem of the District of Columbia, January 1, 1931

Report on the Motor Vehicle and Street Traffic Problem of the District of Columbia, January 1, 1931, Box: 4, Folder: 7. Historical Planning publications collection, 15-3-3669. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/293619 Accessed December 30, 2025.