Sullivan, Edward T.2010-01-202010-01-201955-04-15Sullivan, E.T., (1955), "Grades and Sources of Hardwoods Used in the Twin Cities Container Industry", Minnesota Forestry Notes 40, School of Forestry, University of Minnesota0099-4332https://hdl.handle.net/11299/56604Published as Sci. Jour. Ser. Paper No. 3337 of the Minn. Agr. Expt. Sta.en-USforests and forestryMinnesotaresearchReport