@book{20562,
	author = {United States. and Bonner, Harrie Russell.},
	title = {Statistics of kindergartens.},
	publisher = {Govt. print. off.,},
	year = {[n.d.]},
	series = {Bulletin,},
	address = {Washington,},
	note = {Title varies: 18 Public and private kindergartens. 1898/99- 1899/1900, Statistics of public kindergartens. 1900- Statistics of public and private kindergartens. 19 Statistics of kindergartens.}
}