Bulletin
Agricultural Experiment Station, University of Minnesota
University of Minnesota
by R.M. West
University of Minnesota 1913 Bulletin / Agricultural Experiment Station, University of Minnesota 126, Technical
by W.L. Oswald
University of minnesota 1912 Bulletin / Agricultural Experiment Station, University of Minnesota no. 127
Willet M. Hays
University of Minnesota [19--] Bulletin / Agricultural Experiment Station, University of Minnesota No. 1
