Columbia subject headings:
Book collecting--Spain--History.
Gómez-Fontecha, Juan José, 1935-2002--Correspondence.
Pla, Jaume, 1914-1995--Correspondence.
Harvard subject headings:
Book collecting--Spain--History--20th century.
Book collectors--Spain--Correspondence.
Gómez-Fontecha, Juan José, 1935-2002--Correspondence.
Pla, Jaume, 1914-1995--Correspondence.
Princeton subject headings: