"The Spanish main: Focus on envy" by Phillip A. Means - New York: Charles Scribner's Sons, 1935, Box: 25, Volume: 41. Personal papers of Joseph M. Kellogg, PP 237. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/136873 Accessed May 20, 2024.