Columbia subject headings:
Berlin Wall, Berlin, Germany, 1961-1989.
Checkpoint Charlie, Berlin, Germany, 1961-1989.
Cultural property--Germany.
Harvard subject headings:
Berlin Wall, Berlin, Germany, 1961-1989
Checkpoint Charlie, Berlin, Germany, 1961-1989.
Cultural property--Germany.
Princeton subject headings:
Berlin Wall, Berlin, Germany, 1961-1989.
Checkpoint Charlie, Berlin, Germany, 1961-1989.
Cultural property--Germany.