by Reginald D. Forbes, Alvah Peterson, Arthur Truman Semple, Charles Dwight Marsh, Clarence Luther Forsling, Donald Bruce, Edmund Cecil Shorey, Franklin Post Metcalf, Hugh Curtis McPhee, Irvin Carl Feustel, Joshua John Skinner, Josiah Chase Folsom, Karl S. Quisenberry, Lyle Thomas Alexander, Marinus Westveld, R. W. Leukel, Richard Edwin McArdle, Stuart Bevier Show, Theo. H. Scheffer, Thomas Roy Truax, Walter Carter, Wilbur Clifford Edmundson, William Henry Black, A. B. Clawson, E. I. Kotok, Edwin Alfonso Trowbridge, H. E. Dvorachek, Horace Greeley Byers, K. D. Jacob, K. F. Warner, Lester Henry Reineke, O. N. Eaton, Charles Vinyard Wilson

1931

by Alfred Ernest MacGee, Alpheus Wilson Smith, Alva Wellington Smith, Charles Allen Wright, Clyde Tucker Morris, Frank Harvey Eno, Franklin Arnold Ray, Franklin Wales Marquis, James Renwick Withrow, Dean Brewster Judd, Harold Ellis Simpson, Jacob Ralph Shank, Paul Bucher, Homer Morgan Faust

1925