Columbia subject headings:
Authors, Russian--19th century--Correspondence.
Turgenev, Ivan Sergeevich, 1818-1883--Correspondence.
Harvard subject headings:
Authors, Russian--19th century--Correspondence
Turgenev, Ivan Sergeevich, 1818-1883--Correspondence.
Princeton subject headings:
Authors, Russian--19th century--Correspondence.
Turgenev, Ivan Sergeevich, 1818-1883--Correspondence.