Columbia subject headings:
Nature in literature.
Nature in motion pictures.
Science fiction films--History and criticism.
Science fiction--History and criticism.
Sex differences in literature.
Sex differences in motion pictures.
Harvard subject headings:
Nature in literature.
Nature in motion pictures.
Science fiction films--History and criticism
Science fiction--History and criticism
Sex differences in literature.
Sex differences--In motion pictures.
Princeton subject headings:
Ecocriticism.
Gender identity in literature.
Science fiction films--History and criticism.
Science fiction--History and criticism.