Columbia subject headings:
Harvard subject headings:
English poetry--20th century--History and criticism
World War, 1914-1918--Poetry
Princeton subject headings:
English poetry--20th century--History and criticism.
Poets, English--20th century--Biography.
Soldiers' writings, English--History and criticism.
War poetry, English--History and criticism.
World War, 1914-1918--Literature and the war.