Pedagogicheskoe nasledie I︠A︡nusha Korchaka, 1878-1942

Gosudarstvennai︠a︡ nauchnai︠a︡ pedagogicheskai︠a︡ biblioteka imeni K.D. Ushinskogo, E. P. Andreeva, Akademii︠a︡ pedagogicheskikh nauk SSSR. Nauchno-issledovatelʹskiĭ institut obshcheĭ pedagogiki. Otdel nauchno-pedagogicheskoĭ informat︠s︡ii i propagandy, V. M. Gurevich