"Agriculture in China" magazine article by Wortman, Sterling, 1975

"Agriculture in China" magazine article by Wortman, Sterling, 1975, Box: 3, Folder: 42. Personal papers of John "Jack" A. Weir, PP 404. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/261302 Accessed December 25, 2025.