Columbia subject headings:
Harvard subject headings:
Philologists--Soviet Union--Correspondence.
Philosophers--Soviet Union--Correspondence.
Shpet, Gustav, 1879-1937--Correspondence.
Princeton subject headings:
Philologists--Soviet Union--Correspondence.
Philosophers--Soviet Union--Correspondence.
Philosophy and civilization.
Philosophy, Russian--History.
Shpet, Gustav, 1879-1937--Correspondence.
Shpet, Gustav, 1879-1937--Sources.
Soviet Union--History--1917-1936.