by Fred DeForest Heald, L. J. Smith

1922

by Amer Benjamin Nystrom, Axel Leonard Melander, C. A. Magoon, Claude Bates Sprague, Joseph Stuart Caldwell, Julius Wilbur Kalkus, R. E. Hundertmark, William Thomas Shaw, Fred DeForest Heald

1915

by Anthony Spuler, Axel Leonard Melander, Fred DeForest Heald, Frederick John Sievers, George Severance, H. Hackedorn, State College of Washington. Agricultural Experiment Station, Ernest Reuben Johnson, Henry F. Holtz, Jerry Sotola, L. J. Smith, R. P. Bean

1922

by Fred DeForest Heald

1896