Urban renewal possibilities, development of Lake Ponca and a civil facilities program for Ponca City, Oklahoma. Under a contract with the Department of Commerce. Industry State of Oklahoma. Winter, Doxiadis, Associates Inc., 1959, Box: 3. Jacob Leslie Crane papers, 2646. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/372876 Accessed February 21, 2026.