| Toledo and Ohio Central Questions |
| What is the history of the M&NE (Middleport & Northeastern Ry Co)? |
| What is the history of the Toledo,Columbus & Cincinnati? It appears on an 1892 railroad pass with the T&OC and K&M. |
| Were there heralds on T&OC steamers? |
| Where are T&OC-related documents stored? |