McCorkle, Thomas, and Jochem von Heeringen. "Culture and Medical Behavior of the Old Order Amish of Johnson County, Iowa." Bulletin Number Two of the State University of Iowa Institute of Agricultural Medicine [typescript], 1958 March

McCorkle, Thomas, and Jochem von Heeringen. "Culture and Medical Behavior of the Old Order Amish of Johnson County, Iowa." Bulletin Number Two of the State University of Iowa Institute of Agricultural Medicine [typescript], 1958 March, Box: 183, Folder: 1. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/389378 Accessed September 27, 2026.