Author
Barber, S. A.
Cain, John C.
1
Carolus, R. L.
1
Cook, James A.
1
Donald, Leroy
1
Houghland, G. V. C.
1
Humbert, Roger P.
1
Hunger signs in crops New York
1
Jones, Winston W.
1
Krantz, B. A.
1
McMurtrey, Jr. J. E.
1
Melsted, S. W.
1
Nelson, Werner L.
1
Purvis, E. R.
1
Schmehl, W. R.
1
Shaulis, Nelson
1
Shear, C. B.
1
Smith, Carter R.
1
Smith, Paul F.
1
Sprague, Howard B.
1
Woodhouse, Jr. W. W.