Petroleum Potentials - Future Jamaican Exploration Justified, by A.A. Meyerhoff and E.A. Krieg, Box: 7, Folder: 19. Wallace E. Pratt papers, RH MS 870. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/34187 Accessed November 24, 2024.