Columbia subject headings:
Avant-garde (Aesthetics)--Spain--History--20th century.
Grupo de Trama (Group of artists)
Painting, Abstract--Spain.
Harvard subject headings:
Avant-garde (Aesthetics)--Spain--History--20th century.
Grupo de Trama (Group of artists)
Painting, Abstract--Spain.
Princeton subject headings:
Painting, Spanish--20th century.