Columbia subject headings:
American fiction--19th century--History and criticism.
American fiction--20th century--History and criticism.
Social problems in literature.
Harvard subject headings:
American fiction--19th century--History and criticism
American fiction--20th century--History and criticism
Social problems in literature.
Princeton subject headings:
American fiction--19th century--History and criticism.
American fiction--20th century--History and criticism.
Progressivism (United States politics)
Progressivism in literature.
Social problems in literature.