@book{36238,
	author = {United States.},
	title = {Home play and play equipment for the preschool child.},
	publisher = {U.S. Govt. print. off.,},
	year = {1937.},
	series = {Bureau publication},
	address = {Washington,},
	note = {At head of title: United States Department of labor. Frances Perkins, secretary. Children's bureau. Katherine F. Lenroot, chief.}
}