Columbia subject headings:
Spain--History--Civil War, 1936-1939--Poetry.
Vallejo, César, 1892-1938--Translations into English.
Harvard subject headings:
Spain--History--Civil War, 1936-1939--Poetry.
Vallejo, César, 1892-1938--Translations into English.
Princeton subject headings:
Poetry.
Spain--History--Civil War, 1936-1939--Poetry.