Kaulbars, Karl Vasilevich. V zashchitu shtatskogo rebenka. Zashchishchennye reydy-i. tverdaya iskhodnaya tochka uluchshennykh parusnykh sudov: (Raznorodnyy material dlya vospitatelnoy reformy)./Kaulbars, Karl Vasilyevich. In defense of a civilian child. Protected raids - and. a solid starting point for improved sailing vessels: (Diverse material for educational reform). In Russian - landofmagazines.com

TransliterationKaulbars, Karl Vasilevich. V zashchitu shtatskogo rebenka. Zashchishchennye reydy-i. tverdaya iskhodnaya tochka uluchshennykh parusnykh sudov: (Raznorodnyy material dlya vospitatelnoy reformy).

In EnglishKaulbars, Karl Vasilyevich. In defense of a civilian child. Protected raids - and. a solid starting point for improved sailing vessels: (Diverse material for educational reform). In Russian

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