| Clausen, J. M.; 1949 Blue Book; 1949 | 1949 Blue Book | 1949-00-00 | ANN ARBOR NO. 6 | First Assistant |
| Clausen, J. M.; 1952 Red Book; 1952 | 1952 Red Book | 1952-00-00 | ANN ARBOR NO. 3 | Chief Engineer |
| Clausen, J. M.; 1953 Red Book; 1953 | 1953 Red Book | 1953-00-00 | ANN ARBOR NO. 3 | Chief Engineer |
| Clausen, J. M.; 1954 Red Book; 1954 | 1954 Red Book | 1954-00-00 | ANN ARBOR NO. 3 | Chief Engineer |
| Clausen, J. M.; 1955 Red Book; 1955 | 1955 Red Book | 1955-00-00 | ANN ARBOR NO. 3 | Chief Engineer |
| Clausen, J. M.; 1956 Red Book; 1956 | 1956 Red Book | 1956-00-00 | ANN ARBOR NO. 6 | Chief Engineer |
| Clausen, J. M.; 1957 Red Book; 1957 | 1957 Red Book | 1957-00-00 | ANN ARBOR NO. 6 | Chief Engineer |
| Clausen, J. M.; 1958 Red Book; 1958 | 1958 Red Book | 1958-00-00 | ANN ARBOR NO. 6 | Chief Engineer |
| Clausen, J. M.; 1959 Red Book; 1959 | 1959 Red Book | 1959-00-00 | ANN ARBOR NO. 7 | Chief Engineer |
| Clausen, J. M.; 1960 Red Book; 1960 | 1960 Red Book | 1960-00-00 | ANN ARBOR NO. 7 | Chief Engineer |