Originally Posted by Joseph Stalin, Reply to Comrade Sanzheyev
Esteemed Comrade Sanzheyev,
I am replying to your letter with considerable delay, for it was only yesterday forwarded to me from the apparatus of the Central Committee.
Your interpretation of my standpoint on the question of dialects is absolutely correct.
"Class" dialects, which it would be more correct to call jargons, do not serve the mass of the people, but a narrow social upper crust. Moreover, they do not have a grammatical system or basic word stock of their own. In view of this, they cannot possibly develop into independent languages.
Local ("territorial") dialects, on the other hand, serve the mass of the people and have a grammatical system and basic word stock of their own. In view of this, some local dialects, in the process of formation of nations, may become the basis of national languages and develop into independent national languages. This was the case, for instance, with the Kursk-Orel dialect (the Kursk-Orel "speech") of the Russian language, which formed the basis of the Russian national language. The same must be said of the Poltava-Kiev dialect of the Ukrainian language, which formed the basis of the Ukrainian national language. As for the other dialects of such languages, they lose their originality, merge with those languages and disappear in them.
Reverse processes also occur, when the single language of a nationality, which has not yet become a nation owing to the absence of the necessary economic conditions of development, collapses as a result of the disintegration of the state of that nationality, and the local dialects, which have not yet had time to be fully uniformized in the single language, revive and give rise to the formation of separate independent languages. Possibly, this was the case, for example, with the single Mongolian language.
Pravda, August 2, 1950