Columbia subject headings:
Pasternak, Boris Leonidovich, 1890-1960. Spektorskiĭ.
Harvard subject headings:
Pasternak, Boris Leonidovich, 1890-1960. Spektorskiĭ.
Princeton subject headings:
Pasternak, Boris Leonidovich, 1890-1960. Spektorskiĭ.