Columbia subject headings:
Authors, Russian.
Authorship, Disputed.
Russian literature--18th century--History and criticism.
Russian literature--To 1700--History and criticism.
Harvard subject headings:
Authorship, Disputed.
Russia--Historiography
Russia--History--Sources.
Princeton subject headings:
Authorship.
Discourse analysis, Literary.
Literature--Research--Statistical methods.
Russian literature--History and criticism--Statistical methods.