National Trust for Historic Preservation: list of executive and special committees, correspondence, memoranda, field report, list of board of advisors, The Board of Advisors of the National Trust Charter, 1968-1969 Annual Report., 1968-1969

National Trust for Historic Preservation: list of executive and special committees, correspondence, memoranda, field report, list of board of advisors, The Board of Advisors of the National Trust Charter, 1968-1969 Annual Report., 1968-1969, Box: 17, Folder: 32. Carl Feiss papers, 2635. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/370211 Accessed December 14, 2025.