Columbia subject headings:
Harvard subject headings:
Gerstenmaier, Hans Rudolf, 1935---Art collections--Exhibitions.
Museo del Prado--Exhibitions.
Painting, Spanish--19th century--Exhibitions
Painting, Spanish--20th century--Exhibitions
Princeton subject headings:
Gerstenmaier, Hans Rudolf, 1935-2021--Art collections--Exhibitions.
Museo del Prado--Exhibitions.
Painting, Spanish--19th century--Exhibitions.
Painting, Spanish--20th century--Exhibitions.