- Erval Jackson Newcomer, J. M. Dunleavy, Marion Ashton Smith, Robert Jay Marty, Charles A. Rindt, Lacy Porter McColloch, Bernard A. Friedman, John Fedkiw
· 1966
Set includes revised editions of some issues.
- Theodore Peter Dykstra, Alice Louise Robert, Axel Langvad Andersen, Berten Wendell Allred, Charles Wesley Gantt, Clarence Dinsmore Stein, Claude Kedzie Shedd, F. M. Grant, Franklin Thomas Cowan, Fred Charles Simmons, Howard Wilfred Johnson, I. E. Stokes, John Lewis Creech, L. F. Locke, R. W. Leukel, Robert S. Rummell, Ross Calvin Thompson, Thomas Lotti, Tom Dale, Verne Elbert Davison, William John Reid, William Joseph Sando, William Solomon Porte, Rufus F. Dowdle, Claude Carl Wakeland, Clark E. Holscher, Donald William Chamberlain, Floyd Franklin Smith, Frank P. Cuthbert, Grover F. Brown, Otto H. Coleman, Sears Polydore Doolittle, V. F. Tapke, Walton Monroe Nixon, Walter Oliver Hawley, D. J. Caffrey, Jack L. Dean, Samuel George Lehman
· 1955
This handbook supersedes Circular 931, "Diseases of Soybeans."
No image available
No image available
No author available
· 1951
No image available