[On the 150th anniversary of the concept of preschool education].
D002648:Child; D002675:Child, Preschool; D003604:Czechoslovakia; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D012578:Schools, Nursery / Q000266:history*
K 150. výrocí institucí predskolní výchovy.