Names
- Thousand Islands Railway.1
- Thurber, Jefferson G., 1807-1857.1
- Toledo and South Haven Railroad Company.1
- Toledo and Western Railway Company.1
- Toledo, Ann Arbor and Jackson Railroad Company.1
- Toledo, Ann Arbor and North Michigan Railway Company.1
- Townsend, Charles E. (Charles Elroy), 1856-1924.1
- Traverse City Railroad Company.1
- Traverse City, Leelanau and Manistique Railway Company.1
- Trowbridge, C. A.1
- Truesdale family.1
- Union Depot Company (Columbus, Ohio)1
- Union Pacific Railroad Company.1
- United New Jersey Railroad and Canal Company1
- United States. Army. Indiana Infantry Regiment, 36th (1861-1865)1
- United States. Army. Military Railway Service.1
- United States. Commission for Ascertaining and Settling Private Land Claims in California.1
- United States. Congress. House.1
- United States. General Land Office.1
- United States. Pension Bureau.1