Ginseng culture.
Stockberger, W. W.(Warner Webster),1872-1944.
Sievers, A. F.(Arthur Frederick),1885-
Pultz, Leon M.(Leon Merle),1904-
United States.Department of Agriculture.
Washington, D.C. : U.S. Dept. of Agriculture,
1953.
"This bulletin was originally prepared by the late W.W. Stockberger ... it has been revised successively by A.F. Sievers ... and L.M. Pultz."
Ginseng.