[History and activities of the Children's Friends' Association].
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D002648:Child; D002669:Child Welfare / Q000266:history*; D005581:Foster Home Care / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011044:Poland; D012425:Russia (Pre-1917); D014837:Voluntary Health Agencies / Q000266:history*
Historia i działalność Towarzystwa Przyjaciół Dzieci.