Columbia subject headings:
Kli︠u︡ev, Nikolaĭ, 1884-1937--Correspondence.
Kli︠u︡ev, Nikolaĭ, 1884-1937--Criticism and interpretation.
Harvard subject headings:
Kli︠u︡ev, Nikolaĭ, 1884-1937--Correspondence.
Kli︠u︡ev, Nikolaĭ, 1884-1937--Criticism and interpretation.
Princeton subject headings:
Kli︠u︡ev, Nikolaĭ, 1884-1937--Criticism and interpretation.