Children's year leaflet
Government Printing Office
prepared in collaboration with the Child Conservation Section of the Field Division, Council of National Defense
G.P.O. 1919 Children's year leaflet no. 13 , Bureau publication / U.S. Department of Labor, Children's Bureau no. 58
所蔵館2館
G.P.O. 1919 Bureau publication / U.S. Department of Labor, Children's Bureau no. 53 , Children's year leaflet no. 10
U.S. Department of Labor, Children's Bureau 1919 Bureau publication / U.S. Department of Labor, Children's Bureau no. 49 , Children's year leaflet no. 7
所蔵館1館
Government Printing Office 1919 Bureau publication / U.S. Department of Labor, Children's Bureau no. 56 , Children's year leaflet no. 12