The orphan trains.
Fried
R
R
D000300:Adoption; D002648:Child; D002669:Child Welfare / Q000266:history*; D002676:Child, Unwanted; D005260:Female; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008297:Male; D008824:Michigan; D014186:Transportation; D014481:United States