All Subjects
- Ukraine--Odessa.
- Umbrellas. (13)
- Uncle Sam (Symbolic character) (2)
- Uncle Tom (Fictitious character) (6)
- Unicycles.
- Uniforms.
- United States Capitol (Washington, D.C.) (2)
- United States Marine Band.
- United States--Arizona. (3)
- United States--Civil War, 1861-1865--Military mobilization.
- United States--Civil War, 1861-1865--Military personnel--Union.
- United States--History--Civil War, 1861-1865--Campaigns & battles. (2)
- United States--History--Civil War, 1861-1865--Casaulties--Union.
- United States--History--Civil War, 1861-1865--Communications. (2)
- United States--History--Civil War, 1861-1865--Military personnel--Union. (8)
- United States--History--Civil War, 1861-1865--Military personnel. (9)
- United States--History--Civil War, 1861-1865--Military tactics.
- United States--History--Civil War, 1861-1865--Prisioners--Confederate.
- United States--History--Civil War, 1861-1865--Prisioners.
- United States--Illinois--Chicago.
- United States--Maine. (6)
- United States--Maryland--Cumberland. (3)
- United States--Maryland. (2)
- United States--New Jersey--Hoboken.
- United States--New Mexico. (2)
- United States--New York (State) (8)
- United States--New York (State)--New York. (8)
- United States--New York (State)--Sleepy Hollow.
- United States--Pennsylvania--Gettysburg. (2)
- United States--Tennessee. (16)
- United States--Virginia--Shenandoah. (10)
- United States--Virginia. (2)
- Upper classes--New York (State)--New York.
- Urns.