UNESCO (United Nations Educational Scientific and Cultural Organization): Tunisia: "Mission UNESCO en Tunisie;" "La mise en valeur du patrimoine monumental en vue du developpement economique" (The improvement of the heritage of [historic] monuments for the purpose of economic devleopment); correspondence; "Proposed Smithsonian Cooperative Program for Tunisia;" "Preservation and Restoration at Carthage," by Gus W. Van Beck; "Smithsonian Institution Foreign Currency Program.", 1967-1968

UNESCO (United Nations Educational Scientific and Cultural Organization): Tunisia: "Mission UNESCO en Tunisie;" "La mise en valeur du patrimoine monumental en vue du developpement economique" (The improvement of the heritage of [historic] monuments for the purpose of economic devleopment); correspondence; "Proposed Smithsonian Cooperative Program for Tunisia;" "Preservation and Restoration at Carthage," by Gus W. Van Beck; "Smithsonian Institution Foreign Currency Program.", 1967-1968, Box: 17, Folder: 1. Carl Feiss papers, 2635. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/370180 Accessed December 25, 2025.