@book{UBHD-1065561, author={Walker, John}, organization={National Gallery of Art (Washington, DC)}, title={National Gallery of Art, Washington}, publisher={Abrams}, address={New York, NY}, year={1975}, pages={696 S.}, language={eng}, isbn={0-8109-0336-9 and 978-0-8109-0336-4}, keywords={National Gallery of Art <Washington, DC>}, library={UB [Signatur: 77 C 500]}, }