Troshin G. Comparative Psychology of Normal and Abnormal Children. In 2 Volumes. Volume I. The Processes of Mental Life. In Russian /Troshin G. Sravnitelnaya psikhologiya normalnykh i nenormalnykh detey. V 2-kh tomakh. Tom I. Protsessy umstvennoy zhizni. Anthropological foundations of upbringing. Petrograd. Edition of Dr. Troshins Medical School. 1915. XVI and 403 p. Please contact us for details on condition of available copies of the book. SKUalb1c913d519740ce07