Autograph postcard signed "Miguel"; From Cusco, Peru; 1 p. Describes Mayan ruins at Cusco, 31 July [no year], Box: 1, Folder: 26. Michael McClure-Fred Martin correspondence, MS 315. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/192244 Accessed December 21, 2024.