Columbia subject headings:
Saltykov, Mikhail Evgrafovich, 1826-1889--Friends and associates.
Turgenev, Ivan Sergeevich, 1818-1883--Friends and associates.
Harvard subject headings:
Saltykov, Mikhail Evgrafovich, 1826-1889--Friends and associates.
Turgenev, Ivan Sergeevich, 1818-1883--Friends and associates.
Princeton subject headings:
Saltykov, Mikhail Evgrafovich, 1826-1889--Friends and associates.
Turgenev, Ivan Sergeevich, 1818-1883--Friends and associates.
Turgenev, Ivan Sergeevich, 1818-1883--Influence.