Columbia subject headings:
Adventure stories, American--History and criticism.
American fiction--20th century--History and criticism.
American periodicals--History--20th century.
Characters and characteristics in literature.
Popular literature--Periodicals--History--20th century.
Harvard subject headings:
Adventure stories, American--History and criticism.
American fiction--20th century--History and criticism
American periodicals--History--20th century.
Characters and characteristics in literature.
Popular literature--Periodicals--History--20th century.
Pulp literature--History and criticism.
Princeton subject headings:
American fiction--20th century--Periodicals--History.
American periodicals--History.
Characters and characteristics in literature.
Dime novels--History.