Columbia subject headings:
Harvard subject headings:
Guernica (Spain)--History--Bombardment, 1937--In literature.
Spain--History--Civil War, 1936-1939--In literature.
Spanish literature--20th century--History and criticism
Spanish literature--21st century--History and criticism.
Princeton subject headings:
Guernica (Spain)--History--Bombardment, 1937--In literature.
Spain--History--Civil War, 1936-1939--In literature.
Spanish literature--20th century--History and criticism.
Spanish literature--21st century--History and criticism.