Columbia subject headings:
Gernsback, Hugo, 1884-1967--Criticism and interpretation.
Science fiction, American--History and criticism.
Harvard subject headings:
Gernsback, Hugo, 1884-1967--Criticism and interpretation.
Science fiction, American--History and criticism.
Princeton subject headings:
Gernsback, Hugo, 1884-1967--Criticism and interpretation.
Science fiction, American--History and criticism.