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Authors
Author
Robert Earl Karper
Books
The Recurving of Milo and Some Factors Influencing it
Robert Earl Karper, Arthur Benjamin Conner
The Availability of Phosphoric Acid in Rock Phosphate
John McKinley Jones, George Stronach Fraps, Arthur Tillman Potts, Bonney Youngblood, Robert Earl Karper, W. S. Hotchkiss, Arthur Benjamin Conner, Helge Ness, R. N. Harvey
Corn Varieties in Texas
George Stronach Fraps, Jacob Joseph Taubenhaus, Robert Earl Karper, Letcher P. Gabbard, David Thornton Killough, Elbert Brunner Reynolds, Frederick Driggs Fuller, Paul Christoph Mangelsdorf, Elmer Cardinal Carlyle
Varieties of Cotton in Northwest Texas
Robert Earl Karper
