National Trust for Historic Preservation: Board of Trustees/Executive Committee: memoranda, meeting minutes, treasurer's report, organizational constitution, finance policy, "Sites, Building and Objects: Policy and Procedure," "Policies Relating to National Trust Historic Properties/Policies on Admission Fees at National Trust Historical Properties," "Master Plan for Belle Grove," publications property, "Charter for the Decauter House Council of the National Trust for Historic Preservation," "Financial Statements and Supplementary Information Year Ended June 30, 1967.", 1967

National Trust for Historic Preservation: Board of Trustees/Executive Committee: memoranda, meeting minutes, treasurer's report, organizational constitution, finance policy, "Sites, Building and Objects: Policy and Procedure," "Policies Relating to National Trust Historic Properties/Policies on Admission Fees at National Trust Historical Properties," "Master Plan for Belle Grove," publications property, "Charter for the Decauter House Council of the National Trust for Historic Preservation," "Financial Statements and Supplementary Information Year Ended June 30, 1967.", 1967, Box: 19, Folder: 17. Carl Feiss papers, 2635. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/370263 Accessed December 15, 2025.