AAG, Washington, D.C.--April 1984; APSA, Washington, D.C.--Sept. 1984; ISA (PSSI) Wash. D.C.--March 1985; Scientific Geography Commission, Athens, GA--March 1985; AAG, Detroit--April 1985, 1983-1984

AAG, Washington, D.C.--April 1984; APSA, Washington, D.C.--Sept. 1984; ISA (PSSI) Wash. D.C.--March 1985; Scientific Geography Commission, Athens, GA--March 1985; AAG, Detroit--April 1985, 1983-1984, Box: 88, Folder: 5. Walter Isard papers, 3959. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/429996 Accessed January 08, 2026.