The whole concept was strongly opposed by the
Bolsheviks.
Stalin's pamphlet
Marxism and the National Question (1913) was their ideological reference on the matter, along with
Lenin's
Critical Remarks on the National Question (December 1913), in particular in the chapter "Cultural-National Autonomy". (Stalin was later People's Commissar of Nationalities from 1917 - 1923.) Lenin's and Stalin's critiques of the national personal autonomy concept were later joined by the Catalan
Andreu Nin in his article
The Austrian School, National Emancipation Movements (1935). == Implementation ==