Columbia subject headings:
Apollinaire, Guillaume, 1880-1918--Imprisonment.
Poets, French--20th century--Biography.
Harvard subject headings:
Apollinaire, Guillaume, 1880-1918--Criticism and interpretation.
Apollinaire, Guillaume, 1880-1918--Imprisonment.
Poets, French--20th century--Biography
Princeton subject headings:
Apollinaire, Guillaume, 1880-1918--Imprisonment.
Poets, French--20th century--Biography.