Columbia subject headings:
Machado, Antonio, 1875-1939--Political and social views.
Machado, Antonio, 1875-1939--Religion.
Harvard subject headings:
Literature and society--Spain--History--20th century.
Machado, Antonio, 1875-1939--Political and social views.
Machado, Antonio, 1875-1939--Religion and ethics.
Machado, Antonio, 1875-1939--Religion.
Social problems in literature.
Princeton subject headings:
Literature and society--Spain--History--20th century.
Machado, Antonio, 1875-1939--Political and social views.
Machado, Antonio, 1875-1939--Religion.
Social problems in literature.