Columbia subject headings:
Occultism in literature.
Russian literature--19th century--History and criticism.
Russian literature--20th century--History and criticism.
Harvard subject headings:
Freemasonry--Soviet Union--History.
Occultism in literature.
Spiritualism in literature.
Princeton subject headings:
Occultism in literature.
Russian literature--19th century--History and criticism.
Russian literature--20th century--History and criticism.