Columbia subject headings:
Harvard subject headings:
Brecht, Bertolt, 1898-1956--Criticism and interpretation.
Catalan literature--20th century--History and criticism.
Catalan literature--German influences.
Riba, Carles, 1893-1959--Criticism and interpretation.
Princeton subject headings:
Catalonia (Spain)--Civilization--German influences.
German literature--20th century--History and criticism.
German literature--Appreciation--Spain--Catalonia.
Riba, Carles--Criticism and interpretation.