Columbia subject headings:
Harvard subject headings:
Art--Private collections--20th century--Exhibitions.
Museo Lázaro Galdiano--Catalogs.
Navarro, Leandro--Art collections--Exhibitions.
Valero, Concepción--Art collections--Exhibitions.
Princeton subject headings:
Art, Spanish--20th century--Exhibitions.
Art--Private collections--Spain--Madrid--Exhibitions.
Navarro, Leandro--Art collections--Exhibitions.
Valero, Concepción--Art collections--Exhibitions.