Arenberg, duc d' -- Art collections
Art
Art -- Collectors and collecting
Art -- Collectors and collecting -- France -- Paris
Decoration and ornament
Liechtenstein, House of -- Art collections
Mackay, Clarence Hungerford, 1874-1938 -- Art collections
Schiff, Mortimer L. -- Art collections
War
World War, 1939-1945 -- Art and the war