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by Krekshin, Evgenij Arkadʹevich
Published 1938
Published 1938
Tip. Vysshej shkoly propagandistov im. Ja.M. Sverdlova pri CK VKP(b)
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by Kassilʹ, Lev Abramovich
Published 1963
Published 1963
Gos. izd-vo detskoj literatury ministerstva prosveshchenija RSFSR