Columbia subject headings:
Harvard subject headings:
Carner, Josep, 1884-1971
Pla, Josep, 1897-1981
Riba, Carles, 1893-1959.
Princeton subject headings:
Carner, Josep, 1884-1971.
Pla, Josep, 1897-1981.
Riba, Carles, 1893-1959.