Columbia subject headings:
Harvard subject headings:
Amber art objects--History--20th century.
Art thefts--History--20th century.
Art treasures in war--History--20th century.
World War, 1939-1945--Art and the war
Princeton subject headings:
Amber art objects.
Art treasures in war.
Bunkers (Fortification)--Germany--Leinawald.
Ekaterininskiĭ dvoret︠s︡-muzeĭ. I︠A︡ntarnai︠a︡ komnata
Lost works of art.
World War, 1939-1945--Art and the war.