Columbia subject headings:
American literature--20th century--History and criticism.
Cather, Willa, 1873-1947--Criticism and interpretation.
Dreiser, Theodore, 1871-1945--Criticism and interpretation.
Frost, Robert, 1874-1963--Criticism and interpretation.
Masters, Edgar Lee, 1868-1950--Criticism and interpretation.
Robinson, Edwin Arlington, 1869-1935--Criticism and interpretation.
Sandburg, Carl, 1878-1967--Criticism and interpretation.
Wharton, Edith, 1862-1937--Criticism and interpretation.
Harvard subject headings:
American literature--20th century--History and criticism
Cather, Willa, 1873-1947
Dreiser, Theodore, 1871-1945
Frost, Robert, 1874-1963
Masters, Edgar Lee, 1868-1950.
Robinson, Edwin Arlington, 1869-1935
Sandburg, Carl, 1878-1967
Wharton, Edith, 1862-1937
Princeton subject headings:
American literature--20th century--History and criticism.
Cather, Willa, 1873-1947.
Dreiser, Theodore, 1871-1945.
Frost, Robert, 1874-1963.
Masters, Edgar Lee, 1868-1950.
Robinson, Edwin Arlington, 1869-1935.
Sandburg, Carl, 1878-1967.
Wharton, Edith, 1862-1937.