Columbia subject headings:
Detective and mystery stories, English--History and criticism.
Detectives in literature.
English fiction--19th century--History and criticism.
Harvard subject headings:
Detective and mystery stories, English--History and criticism.
Detectives in literature.
English fiction--19th century--History and criticism
Princeton subject headings:
Detective and mystery stories, English--History and criticism.
Detectives in literature.
English fiction--19th century--History and criticism.