Malott, Deane W.
The Agricultural industries / Deane W. Malott and Boyce F. Martin
McGraw-Hill Book Company, Inc , 1939
 Buku Teks
Wilcix, Walter W.
Economics of American agriculture / by Walter W. Wilox and Willard W. Cochrane
Prentice-Hall, 1951
 Buku Teks
Gates, Paul W.
The Farmer's age: agriculture 1815-1860 / Paul W. gates
Holt, Rinehart and Winston, 1962
 Buku Teks
Schultz, Theodore W.
The economic organization of agriculture / Theodore W. Schultz
McGraw-Hill , 1953
 Buku Teks
Readings on agricultural policy / Editor: O.B. Jesness
Blakiston , 1950
 Buku Teks