Columbia subject headings:
Harvard subject headings:
Avant-garde (Aesthetics)--History--20th century.
Futurism (Literary movement)
Futurism (Literary movement)--Portugal.
Literature, Experimental--Portugal--History and criticism.
Portuguese literature--20th century--History and criticism
Princeton subject headings:
Avant-garde (Aesthetics)--History--20th century.
Futurism (Literary movement)
Futurism (Literary movement)--Portugal.
Literature, Experimental--Portugal--History and criticism.
Portuguese literature--20th century--History and criticism.