Columbia subject headings:
Lessing, Doris, 1919-2013--Criticism and interpretation.
Science fiction, English--History and criticism.
Harvard subject headings:
Lessing, Doris, 1919-2013--Criticism and interpretation.
Science fiction, English--History and criticism.
Princeton subject headings:
Lessing, Doris, 1919-2013--Criticism and interpretation.
Science fiction, English--History and criticism.