@book{21664,
	author = {Ross, W. Arthur. and Mattoon, Wilbur R.},
	title = {Farm forestry;},
	publisher = {U.S. Govt. print. off.,},
	year = {1939.},
	series = {[U.S. Office of education] Vocational division bulletin},
	address = {Washington,},
	note = {"Prepared cooperatively by the United States Department of the interior, Office of education and the United States Department of agriculture, Forest service." - Verso of t.p.}
}