Columbia subject headings:
Detective and mystery stories--History and criticism.
Women detectives in literature.
Women spies in literature.
Harvard subject headings:
Detective and mystery stories, English--History and criticism.
Spy stories, English--History and criticism.
Women detectives in literature.
Women spies in literature.
Princeton subject headings:
Detective and mystery stories--History and criticism.
Spy stories--History and criticism.
Women detectives in literature.
Women spies in literature.