Columbia subject headings:
Lexicography--Soviet Union.
Ozhegov, S. I. (Sergeĭ Ivanovich), 1900-1964--Correspondence.
Russian language--Lexicography.
Russian language.
Harvard subject headings:
Lexicography--Soviet Union.
Ozhegov, S. I. (Sergeĭ Ivanovich), 1900-1964--Correspondence.
Russian language--Lexicography.
Russian language.
Princeton subject headings: