Columbia subject headings:
Sosnit︠s︡kiĭ, Ivan Ivanovich, 1794-1871.
Harvard subject headings:
Sosnit︠s︡kiĭ, Ivan Ivanovich, 1794-1871.
Princeton subject headings:
Sosnit︠s︡kiĭ, Ivan Ivanovich, 1794-1871.