On Some Issues of Increasing Yields in the Collective Farms of the Penza Region / Academician I. Yakushkin, winner of the Stalin Prize. - Penza: publication of the newspaper "Stalin's banner", 1945. - 22,  p. ; 13 cm. - 5000 copies.
1. Territory (collection). 2. The people (the collection). 3. Agriculture - the Penza region.
ББК 63.3 (2) 622
The source of electronic copy: Penza Oblast. The location of the original: Penza OB