Columbia subject headings:
Harvard subject headings:
Comic books, strips, etc.--History and criticism
Future, The, in literature.
Steampunk comic books, strips, etc.
Steampunk comic books, strips, etc.--History and criticism.
Princeton subject headings:
Comic books, strips, etc.--History and criticism.
Future, The, in literature.
Steampunk comic books, strips, etc.--History and criticism.