| May, Harley D.; 1940 Red Book; 1940 | 1940 Red Book | 1940-00-00 | LAGONDA | Chief Engineer |
| May, Harley D.; 1941 Red Book; 1941 | 1941 Red Book | 1941-00-00 | CANOPUS | Chief Engineer |
| May, Harley D.; 1944 Red Book; 1944 | 1944 Red Book | 1944-00-00 | CRETE | Chief Engineer |
| May, Harley D.; 1945 Red Book; 1945 | 1945 Red Book | 1945-00-00 | FAYETTE BROWN | Chief Engineer |
| May, Harley D.; 1946 Red Book; 1946 | 1946 Red Book | 1946-00-00 | FAYETTE BROWN | Chief Engineer |
| May, Harley D.; 1947 Red Book; 1947 | 1947 Red Book | 1947-00-00 | FAYETTE BROWN | Chief Engineer |
| May, Harley D.; Great Lakes News 11/39; 1939 | Great Lakes News 11/39 | 1939-00-00 | LAGONDA | Chief Engineer |
| May, Harley D.; Interlake Log July 1959 | Interlake Log July 1959 | 1959-00-00 | MORSE | First Assistant |
| May, Harley D.; Interlake Log July 1959 | Interlake Log July 1959 | 1959-00-00 | | First Assistant |
| May, Harley D.; Interlake Log July 1959 | Interlake Log July 1959 | 1959-00-00 | LAGONDA | Chief Engineer |
| May, Harley D.; Interlake Log July 1959 | Interlake Log July 1959 | 1959-00-00 | FAYETTE BROWN | Chief Engineer |