Columbia subject headings:
Florenskiĭ family--History--Sources.
Florenskiĭ family.
Scientists--Russia.
Scientists--Soviet Union.
Harvard subject headings:
Florenskiĭ, P. A. (Pavel Aleksandrovich), 1882-1937--Family.
Florenskiĭ family--History--Sources.
Florenskiĭ family.
Scholars--Russia--Biography
Scholars--Soviet Union--Biography.
Scientists--Russia.
Scientists--Soviet Union.
Princeton subject headings: