Columbia subject headings:
Koch, Ed, 1924-2013.
Mayors--New York (State)--New York--Biography.
New York (N.Y.)--Politics and government--1951-
Harvard subject headings:
Koch, Ed, 1924-
Koch, Ed, 1924-2013.
Mayors--New York (State)--New York--Biography
New York (N.Y.)--Politics and government--1951-
Princeton subject headings:
Koch, Ed, 1924-2013.
Mayors--New York (State)--New York--Biography.
New York (N.Y.)--Politics and government--1951-