Columbia subject headings:
American poetry--20th century--History and criticism.
Harvard subject headings:
American poetry--20th century--History and criticism
Frost, Robert, 1874-1963--Criticism and interpretation.
H. D. (Hilda Doolittle), 1886-1961--Criticism and interpretation.
Masters, Edgar Lee, 1868-1950--Criticism and interpretation.
Pound, Ezra, 1885-1972--Criticism and interpretation.
Robinson, Edwin Arlington, 1869-1935--Criticism and interpretation.
Sandburg, Carl, 1878-1967--Criticism and interpretation.
Princeton subject headings:
American poetry--20th century--History and criticism.
Frost, Robert, 1874-1963.
H. D. (Hilda Doolittle), 1886-1961.
Masters, Edgar Lee, 1868-1950.
Pound, Ezra, 1885-1972.
Robinson, Edwin Arlington, 1869-1935.
Sandburg, Carl, 1878-1967.