Columbia subject headings:
American literature--20th century.
Authors, American--20th century.
Harvard subject headings:
American literature--20th century--History and criticism
Authors, American--20th century--Biography
Authors, American--20th century.
Frost, Robert, 1874-1963
Lewis, Sinclair, 1885-1951--Criticism and interpretation.
Mencken, H. L. (Henry Louis), 1880-1956
Saroyan, William, 1908-1981
Saroyan, William, 1908-1981.
Williams, William Carlos, 1883-1963--Criticism and interpretation.
Wolfe, Thomas, 1900-1938--Criticism and interpretation.
Princeton subject headings:
American literature--20th century--History and criticism.
Authors, American--20th century.