"The Objectives of State Planning"; "Organization and Administration of a Planning Department"; "Organization and Legislation for a County Planning," Annual Conference of the American Road Builders; Association, Detroit, January 12, 1932; "A Proposal for the Organization and Operation of a Regional Council in a Metropolitan Area." January 14, 1943; "Outdoor Recreational Facilities in the Philadelphia-Camden District"; "Discussion of Paper 'Our State parks and Forests'" Presented by Charles B. Wilber;, 1932, 1943, undated

"The Objectives of State Planning"; "Organization and Administration of a Planning Department"; "Organization and Legislation for a County Planning," Annual Conference of the American Road Builders; Association, Detroit, January 12, 1932; "A Proposal for the Organization and Operation of a Regional Council in a Metropolitan Area." January 14, 1943; "Outdoor Recreational Facilities in the Philadelphia-Camden District"; "Discussion of Paper 'Our State parks and Forests'" Presented by Charles B. Wilber;, 1932, 1943, undated, Box: 43, Folder: 32. Russell Van Nest Black papers, 3018. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/398031 Accessed December 28, 2025.