Columbia subject headings:
American literature--History and criticism.
Authors, American.
Harvard subject headings:
American literature--History and criticism
Authors, American
Dreiser, Theodore, 1871-1945--Criticism and interpretation.
Howells, William Dean, 1837-1920--Criticism and interpretation.
Norris, Frank, 1870-1902--Criticism and interpretation.
Twain, Mark, 1835-1910--Criticism and interpretation.
Princeton subject headings: