"New Developments in the Planning Field Bearing on the Problems of Municipal Planning," Minneapolis, Minnesota, June 21, 1938

"New Developments in the Planning Field Bearing on the Problems of Municipal Planning," Minneapolis, Minnesota, June 21, 1938, Box: 1. Earle Sumner Draper, Sr. papers, 2745. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/376416 Accessed July 06, 2025.