Columbia subject headings:
United States--History--Civil War, 1861-1865--Anecdotes.
United States--History--Civil War, 1861-1865--Hospitals.
United States--History--Civil War, 1861-1865--Secret service.
Harvard subject headings:
Military hospitals--Anecdotes.
Secret service--United States--Civil War, 1861-1865.
United States--History--Civil War, 1861-1865--Anecdotes
United States--History--Civil War, 1861-1865--Hospitals
United States--History--Civil War, 1861-1865--Secret service
Princeton subject headings:
Anecdotes.
United States--History--Civil War, 1861-1865--Anecdotes.
United States--History--Civil War, 1861-1865--Hospitals.
United States--History--Civil War, 1861-1865--Secret service.