The Organization and Management of Farms in Northwestern Pennsylvania
Emil George Boerner, Jesse Burdette Bain, Harrison Morton Dixon, George Harvey Miller, Joseph Martin Mehl, Earl Devere Strait, Elihu Harrison Ropes, George Charles Frederick Husmann, Oscar Bernard Jesness, Charles Earl Sando, David Leroy Yarnell, Frederick Charles Scobey, Jacob Mordecai Schaffer, Rutherford Jay Posson, Sherman Melville Woodward