Columbia subject headings:
Aesthetics, Russian--Congresses.
Florenskiĭ, P. A. (Pavel Aleksandrovich), 1882-1937--Congresses.
Philosophy, Russian--20th century--Congresses.
Harvard subject headings:
Aesthetics, Russian--Congresses.
Florenskiĭ, P. A. (Pavel Aleksandrovich), 1882-1937--Congresses.
Philosophy, Russian--20th century--Congresses.
Princeton subject headings:
Aesthetics, Russian--Congresses.
Florenskiĭ, P. A. (Pavel Aleksandrovich), 1882-1937--Congresses.
Philosophy, Russian--20th century--Congresses.