Columbia subject headings:
Harvard subject headings:
Pasternak, Boris Leonidovich, 1890-1960--Criticism and interpretation.
Pushkin, Aleksandr Sergeevich, 1799-1837--Criticism and interpretation.
Princeton subject headings:
Pasternak, Boris Leonidovich, 1890-1960--Criticism and interpretation.
Pushkin, Aleksandr Sergeevich, 1799-1837--Criticism and interpretation.