Columbia subject headings:
Harvard subject headings:
Art treasures in war--Germany--Heilbronn.
Cultural property--Protection--Germany--Heilbronn.
Salzkammer Salzbergwerk (Heilbronn, Germany)
World War, 1939-1945--Art and the war
Princeton subject headings:
Art treasures in war--Germany.
World War, 1939-1945--Art and the war.