"Local Planning and Zoning: A Manual of Powers and Procedures for Citizens and Government Officials." by Black, Russell. Department of Commerce, 1957

"Local Planning and Zoning: A Manual of Powers and Procedures for Citizens and Government Officials." by Black, Russell. Department of Commerce, 1957, Box: 47, Folder: 30. Russell Van Nest Black papers, 3018. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/398152 Accessed December 27, 2025.