Soil Management Studies: A Three Year Rotation for Western Maryland : Frostburg Field, Garrett County, Volumes 283-299
A. G. McCall · Albert Lee Schrader · Charles Orval Appleman · Ernest Neal Cory · Ho Liu · Jacob Elry Metzger · Robert Andrew Jehle · Walter Naphtali Ezekiel · Carl Marcus Conrad · Charles Edward Temple · Pearl A. McConnell · F. W. Oldenburg
Jan 1926 · University of Maryland, Agricultural Experiment Station