| Hollenbeck, Clarence W.; 1923 Red Book; 1923 | 1923 Red Book | 1923-00-00 | HINCKLEY | Chief Engineer |
| Hollenbeck, Clarence W.; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | HINCKLEY | Chief Engineer |
| Hollenbeck, Clarence W.; 1934 Red Book; 1934 | 1934 Red Book | 1934-00-00 | JOHN GEHM | Chief Engineer |
| Hollenbeck, Clarence W.; 1935 Red Book; 1935 | 1935 Red Book | 1935-00-00 | JOHN GEHM | Chief Engineer |
| Hollenbeck, Clarence W.; 1936 Red Book; 1936 | 1936 Red Book | 1936-00-00 | JOHN GEHM | Chief Engineer |
| Hollenbeck, Clarence W.; 1937 Red Book; 1937 | 1937 Red Book | 1937-00-00 | JOHN GEHM | Chief Engineer |
| Hollenbeck, Clarence W.; 1938 Red Book; 1938 | 1938 Red Book | 1938-00-00 | JOHN GEHM | Chief Engineer |
| Hollenbeck, Clarence W.; 1939 Red Book; 1939 | 1939 Red Book | 1939-00-00 | JOHN GEHM | Chief Engineer |
| Hollenbeck, Clarence W.; 1940 Red Book; 1940 | 1940 Red Book | 1940-00-00 | JOHN GEHM | Chief Engineer |
| Hollenbeck, Clarence W.; 1941 Red Book; 1941 | 1941 Red Book | 1941-00-00 | LAKE CHELAN | Chief Engineer |
| Hollenbeck, Clarence W.; Great Lakes News 5/43; 1943 | Great Lakes News 5/43 | 1943-00-00 | GOVERNOR | Chief Engineer |