The Soviet search and research for new methods in deaf education.
D002648:Child; D002675:Child, Preschool; D003638:Deafness / Q000534:rehabilitation*; D004519:Education, Special / Q000379:methods*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D014586:USSR