Columbia subject headings:
Art--Spain--Madrid--Exhibitions.
J. Laurent y Cia (Madrid, Spain)
Museo del Prado--History--19th century--Exhibitions.
Museo del Prado--History--20th century--Exhibitions.
Photography museums--Exhibitions.
Photography of art.
Harvard subject headings:
Princeton subject headings:
Art--Spain--Madrid--Exhibitions.
J. Laurent y Cia (Madrid, Spain)
Museo del Prado--History--19th century--Exhibitions.
Museo del Prado--History--20th century--Exhibitions.
Photography of art.
Photography--Museums--Exhibitions.