Columbia subject headings:
Nóvoa, Leopoldo, 1919-2012--Catalogs.
Nóvoa, Leopoldo, 1919-2012--Exhibitions.
Harvard subject headings:
Nóvoa, Leopoldo, 1919---Catalogs.
Nóvoa, Leopoldo, 1919---Exhibitions.
Princeton subject headings:
Catalogs.
Nóvoa, Leopoldo, 1919-2012--Catalogs.
Nóvoa, Leopoldo, 1919-2012--Exhibitions.