Columbia subject headings:
Péguy, Charles, 1873-1914--Political and social views.
Socialism and literature--France--History--20th century.
Socialism in literature.
Harvard subject headings:
Péguy, Charles, 1873-1914--Political and social views.
Socialism and literature--France--History--20th century.
Socialism in literature.
Socialism--France--History
Princeton subject headings:
Péguy, Charles, 1873-1914--Political and social views.
Socialism in literature.