U
- U. S. flag (5)
- U. S. Senate Committee on Territories (4)
- Union Square, New York City (11)
- Unitarian church (1)
- United States Constitution (15)
- United States House-suffrage hearing (4)
- United States Senate-hearing (3)
- United States Senate-seating chart, 1906 (1)
- United States Senate-suffrage hearing (9)
- United States-Constitution-Suffrage Amendment (14)
- Universal suffrage (2)
- Universalist Church, Geneva, New York (1)
- Universalist Women's Aid Association (6)
- Untermyer, Mrs. Samuel (1)
- Untermyer, Samuel (4)
- Upton, Harriet Taylor (1853-1945) (13)
- Usher, Leila (1)