Columbia subject headings:
Motion picture producers and directors--Soviet Union--Biography.
Protazanov, I︠A︡kov Aleksandrovich, 1881-1945.
Harvard subject headings:
Motion picture producers and directors--Soviet Union--Biography
Protazanov, Iakov Aleksanchovich, 1881-
Protazanov, I͡Akov Aleksandrovich, 1881-1945.
Princeton subject headings: