| Langkau, Paul A.; 1949 Blue Book; 1949 | 1949 Blue Book | 1949-00-00 | J. J. H. BROWN | Third Assistant |
| Langkau, Paul A.; 1956 Red Book; 1956 | 1956 Red Book | 1956-00-00 | WEST SHORE | Chief Engineer |
| Langkau, Paul A.; 1957 Red Book; 1957 | 1957 Red Book | 1957-00-00 | WEST SHORE | Chief Engineer |
| Langkau, Paul A.; 1958 Red Book; 1958 | 1958 Red Book | 1958-00-00 | WEST SHORE | Chief Engineer |
| Langkau, Paul A.; 1959 Red Book; 1959 | 1959 Red Book | 1959-00-00 | WEST SHORE | Chief Engineer |
| Langkau, Paul A.; 6/48 Great Lakes Review; 1948 | 6/48 Great Lakes Review | 1948-00-00 | J. J. H. BROWN | Third Assistant |
| Langkau, Paul A.; Great Lakes Review. 1944 | Great Lakes Review. 1944 | 1944-00-00 | SONORA | Second Assistant |