20130220132400.0 0096-865X Technical bulletin - Virginia Polytechnic Institute, Virginia Agricultural Experiment Station. Technical bulletin - Virginia Polytechnic Institute, Virginia Agricultural Experiment Station hathi HathiTrust https://catalog.hathitrust.org/Record/000636161 1915/1922 2024-03-01 v.1-25 1915-1922; c.1 no.1-25 1915-22; no. 1-18 1915-17; no. 19-34 1919-28 v.1-25 1915-1922; c.1 no.1-25 1915-22; no. 1-18 1915-17; no. 19-34 1919-28 Preserved Agricultural Experiment Station. Technical bulletin - Virginia Polytechnic Institute, Virginia Agricultural Experiment Station. 0096-865X 0096-865X 0096-865X 0096-865X Virginia 0096-865X Technical bulletin - Virginia Polytechnic Institute, Virginia Agricultural Experiment Station. Technical bulletin - Virginia Polytechnic Institute, Virginia Agricultural Experiment Station