Columbia subject headings:
Authors, Russian--France--Paris.
Guerra, René--Correspondence.
Publishers and publishing--France--Correspondence.
Slavists--France--Correspondence.
Soviet Union--Intellectual life.
Harvard subject headings:
Authors, Russian--France--Paris.
Guerra, René--Correspondence.
Publishers and publishing--France--Correspondence.
Slavists--France--Correspondence.
Soviet Union--Intellectual life.
Princeton subject headings:
Authors, Russian--France--Paris.
Guerra, René--Correspondence.
Publishers and publishing--France--Correspondence.
Publishers and publishing--Soviet Union--Correspondence.