@book{7501,
	author = {Henkel, Alice,},
	title = {American root drugs,},
	publisher = {Govt. Print. Off.,},
	year = {1907.},
	series = {U. S.  Bureau of Plant Industry.  Bulletin 107},
	address = {Washington,},
	note = {At head of title: U. S. Department of Agriculture.  Bureau of Plant Industry ...}
}