Columbia subject headings:
Chernyshevsky, Nikolay Gavrilovich, 1828-1889.
Dobroli︠u︡bov, N. A. (Nikolaĭ Aleksandrovich), 1836-1861.
Materialism.
Philosophy, Russian--19th century.
Pisarev, D. I. (Dmitriĭ Ivanovich), 1840-1868.
Harvard subject headings:
Chernyshevsky, Nikolay Gavrilovich, 1828-1889
Dobroli︠u︡bov, N. A. (Nikolaĭ Aleksandrovich), 1836-1861
Materialism.
Philosophy, Russian--19th century.
Pisarev, D. I. (Dmitriĭ Ivanovich), 1840-1868
Princeton subject headings:
Chernyshevsky, Nikolay Gavrilovich, 1828-1889.
Dobroli︠u︡bov, N. A. (Nikolaĭ Aleksandrovich), 1836-1861.
Materialism.
Philosophy, Russian--19th century.
Pisarev, D. I. (Dmitriĭ Ivanovich), 1840-1868.