| Kolbe, George W.; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | JOHN M. MCKERCHEY | Chief Engineer |
| Kolbe, George W.; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | JOHN M. MCKERCHEY | Chief Engineer |
| Kolbe, George W.; 1926 Red Book | 1926 Red Book | | NORMAN KELLEY | Chief Engineer |
| Kolbe, George W.; 1927 Red Book; 1927 | 1927 Red Book | 1927-00-00 | JOHN M. MCKERCHEY | Chief Engineer |
| Kolbe, George W.; 1945 Red Book; 1945 | 1945 Red Book | 1945-00-00 | KELLEY ISLAND | Chief Engineer |
| Kolbe, George W.; 1946 Red Book; 1946 | 1946 Red Book | 1946-00-00 | KELLEY ISLAND | Chief Engineer |
| Kolbe, George W.; 1947 Red Book; 1947 | 1947 Red Book | 1947-00-00 | KELLEY ISLAND | Chief Engineer |
| Kolbe, George W.; Great Lakes News 3/49; 1949 | Great Lakes News 3/49 | 1949-00-00 | KELLEY ISLAND | Chief Engineer |