Administration: "Types of organization" by P. H. Frankel, "Government involvement in petroleum administration" by D. H. N. Alleyne, and "Patterns of government petroleum administration" by W. P. Schultz, Box: 23, Folder: 10. Charles Heller papers, RH MS 314. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/493205 Accessed April 25, 2024.