@book{66981,
	author = {Wrightson, John. and Newsham, J. C.},
	title = {Agriculture, theoretical and practical :},
	publisher = {Crosby Lockwood & Son,},
	year = {1919},
	address = {London :},
	edition = {2nd ed., rev. and enl.},
	note = {Includes indexes.}
}