Deich Boris А. Russia Novosibirsk State Pedagogical University, Vilyuiskaya Str. 28, Novosibirsk, Novosibirsk Region, 630126 deich67@mail.ru Author's articles Inter-Age Interaction as a Pedagogical Condition of Supplementary Education (Working with Children outside the Classroom) in Russia in the late 19th – early 20th Century
