Letters on the old and new spelling: I - IV / V. Chernyshev. - St. Petersburg: printing house of the Imperial Academy of Sciences, 1904. - 17 p. ; 24 centimeters
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1. Russian language (collection). 2. Reform of Russian spelling - Preparation.
ББК 81.411.2-65г
Electronic copy source: PB Location on the original: ГПИБ