| Bertch, Oscar; 1934 Red Book; 1934 | 1934 Red Book | 1934-00-00 | ERIE ISLES | Chief Engineer |
| Bertch, Oscar; 1935 Red Book; 1935 | 1935 Red Book | 1935-00-00 | ERIE ISLES | Chief Engineer |
| Bertch, Oscar; 1936 Red Book; 1936 | 1936 Red Book | 1936-00-00 | ERIE ISLES | Chief Engineer |
| Bertch, Oscar; 1937 Red Book; 1937 | 1937 Red Book | 1937-00-00 | ERIE ISLES | Chief Engineer |
| Bertch, Oscar; 1938 Red Book; 1938 | 1938 Red Book | 1938-00-00 | ERIE ISLES | Chief Engineer |
| Bertch, Oscar; 1939 Red Book; 1939 | 1939 Red Book | 1939-00-00 | ERIE ISLES | Chief Engineer |
| Bertch, Oscar; 1940 Red Book; 1940 | 1940 Red Book | 1940-00-00 | ERIE ISLES | Chief Engineer |
| Bertch, Oscar; 1941 Red Book; 1941 | 1941 Red Book | 1941-00-00 | ERIE ISLES | Chief Engineer |