"The Education of Herbert Hoover," p. 8-9, 42, 44 in journal issue (Collier's), June 9, 1928, RH MS R118, Box: 1. William Lindsay White collection, RH MS 608. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/171592 Accessed May 18, 2024.