Columbia subject headings:
Panin, Dimitriĭ Mikhaĭlovich, 1911-1987--Political and social views.
Harvard subject headings:
Panin, Dimitriĭ Mikhaĭlovich, 1911-1987--Political and social views.
Princeton subject headings:
Panin, Dimitriĭ Mikhaĭlovich, 1911-1987--Political and social views.