Columbia subject headings:
Authors, Russian--20th century.
Authors, Russian--Foreign countries.
Nabokov, Vladimir Vladimirovich, 1899-1977--Criticism and interpretation.
Ėrenburg, Ilʹi︠a︡, 1891-1967--Criticism and interpretation.
Harvard subject headings:
Authors, Russian--Germany--Berlin--20th century.
Ėrenburg, Ilʹi︠a︡, 1891-1967--Criticism and interpretation.
Nabokov, Vladimir Vladimirovich, 1899-1977--Criticism and interpretation.
Princeton subject headings: