Columbia subject headings:
American literature--19th century--History and criticism.
American literature--20th century--History and criticism.
Citizenship in literature.
Ethnicity in literature.
Human skin color in literature.
Naturalism in literature.
Harvard subject headings:
American literature--History and criticism
Naturalism in literature.
Princeton subject headings:
American literature--19th century--History and criticism.
American literature--20th century--History and criticism.
Citizenship in literature.
Ethnicity in literature.
Human skin color in literature.
Naturalism in literature.