| LeRoy, Thomas R.; 1941 Red Book; 1941 | 1941 Red Book | 1941-00-00 | MEXOIL | Chief Engineer |
| LeRoy, Thomas R.; 1944 Red Book; 1944 | 1944 Red Book | 1944-00-00 | MEXOIL | Chief Engineer |
| LeRoy, Thomas R.; 1946 Red Book; 1946 | 1946 Red Book | 1946-00-00 | MEXOIL | Chief Engineer |
| LeRoy, Thomas R.; 1947 Red Book; 1947 | 1947 Red Book | 1947-00-00 | MEXOIL | Chief Engineer |
| LeRoy, Thomas R.; 1949 Red Book; 1949 | 1949 Red Book | 1949-00-00 | PANOIL | Chief Engineer |
| LeRoy, Thomas R.; 1950 Red Book; 1950 | 1950 Red Book | 1950-00-00 | PANOIL | Chief Engineer |
| LeRoy, Thomas R.; 1951 Red Book; 1951 | 1951 Red Book | 1951-00-00 | PANOIL | Chief Engineer |
| LeRoy, Thomas R.; 1951 Red Book; 1951 | 1951 Red Book | 1951-00-00 | L. S. WESCOAT | Chief Engineer |
| LeRoy, Thomas R.; 1952 Red Book; 1952 | 1952 Red Book | 1952-00-00 | L. S. WESCOAT | Chief Engineer |
| LeRoy, Thomas R.; 1953 Red Book; 1953 | 1953 Red Book | 1953-00-00 | L. S. WESCOAT | Chief Engineer |
| LeRoy, Thomas R.; 8/48 Great Lakes Review; 1948 | 8/48 Great Lakes Review | 1948-00-00 | PANOIL | Chief Engineer |
| LeRoy, Thomas R.; Great Lakes News 1/43; 1943 | Great Lakes News 1/43 | 1943-00-00 | MEXOIL | Chief Engineer |
| LeRoy, Thomas R.; Great Lakes News 4/45; 1945 | Great Lakes News 4/45 | 1945-00-00 | MEXOIL | Chief Engineer |
| LeRoy, Thomas R.; Great Lakes News 7/43; 1943 | Great Lakes News 7/43 | 1943-00-00 | MEXOIL | Chief Cook |