Columbia subject headings:
Authors, French--Biography--Dictionaries--French.
Science fiction, French--History and criticism--Dictionaries--French.
Utopias in literature--Dictionaries--French.
Harvard subject headings:
Reason in literature--Encyclopedias.
Science fiction, French--Encyclopedias.
Utopias in literature--Encyclopedias.
Voyages, Imaginary--Encyclopedias.
Princeton subject headings: