"Some Aspects of Capillary on Oil Accumulation" by A.W. McCoy (discussed by C.W. Washburne), Box: 5, Folder: 17. Wallace E. Pratt papers, RH MS 870. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/34091 Accessed February 17, 2025.