@book{20413,
	author = {Barrows, H. P.},
	title = {Development of agricultural instruction in the secondary schools /},
	publisher = {G.P.O.,},
	year = {1920.},
	series = {Bulletin / Department of the Interior, Bureau of Education ;},
	address = {Washington :},
	url = {http://hdl.loc.gov/loc.gdc/scd0001.00027442407}
}