Places
- United States--History--Civil War, 1861-1865--Medical care.28
- Ohio--Description and travel.27
- United States--History--French and Indian War, 1755-1763.27
- United States--History--Civil War, 1861-1865--Prisoners and prisons.26
- California--Description and travel.25
- Germany--Description and travel.25
- London (England)25
- United States--History--Civil War, 1861-1865--African Americans.25
- Italy--Description and travel.23
- New York (N.Y.)--Social life and customs.22
- Paris (France)22
- Baltimore (Md.)21
- London (England)--Description and travel.21
- Niagara Falls (N.Y. and Ont.)21
- United States--Foreign relations--Great Britain.21
- Great Britain--Foreign relations--United States.20
- New Haven (Conn.)20
- Richmond (Va.)20
- Cambridge (Mass.)19
- Cincinnati (Ohio)19