National Capitol Planning Commission: clippings, correspondence, preliminary draft of Report on the Program for a Study of the Skyline of the Nation's Capital," interview with Harlean James, Yates Cook, Mort Hoppenfeld, Working Paper 2: Skyline Study, press release, "contract for study and report concerning the design functions of open-space land in urban areas.", 1963-1964

National Capitol Planning Commission: clippings, correspondence, preliminary draft of Report on the Program for a Study of the Skyline of the Nation's Capital," interview with Harlean James, Yates Cook, Mort Hoppenfeld, Working Paper 2: Skyline Study, press release, "contract for study and report concerning the design functions of open-space land in urban areas.", 1963-1964, Box: 28, Folder: 20. Carl Feiss papers, 2635. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/370558 Accessed December 15, 2025.