@book{19660,
	author = {Ohio.},
	title = {A uniform course of study in agriculture for the elementary schools of Ohio.},
	publisher = {The F.J. Heer Printing Co.,},
	year = {1912.},
	address = {Columbus, O.,},
	url = {http://hdl.loc.gov/loc.gdc/scd0001.00027443886}
}