@book{19838,
	author = {Weed, Clarence Moores, and Riley, William E.,},
	title = {Introduction to agriculture,},
	publisher = {D.C. Heath & co.},
	year = {1916},
	series = {Junior high school series [from old catalog]},
	address = {Boston,},
	note = {Pub. in 1914, with the exception of Part V (Soils) under title: Crop production.},
	url = {http://hdl.loc.gov/loc.gdc/scd0001.00029274551}
}