Seperich, George J., 1944-, Woolverton, Michael W., Beierlein, James G.
Regents/Prentice Hall
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Clark, Fred Emerson, 1890-, Weld, L. D. H. (Louis Dwight Harvell), 1882-1946
Macmillan
|
Beierlein, James G.
Prentice Hall
|
United States. Federal Farm Board
Federal Farm Board
|
Kohls, Richard L. (Richard Louis), 1921-, Uhl, Joseph N.
Prentice Hall
|
Boyd, Harper W., Massy, William F.
Harcourt Brace Jovanovich
|
Kohls, Richard L. (Richard Louis), 1921-
Macmillan
|
Britt, Steuart Henderson, 1907-, Boyd, Harper W.
McGraw-Hill, Kōgakusha
|
Kohls, Richard L. (Richard Louis), 1921-, Uhl, Joseph N.
Macmillan
|
Meulenberg, Matthew
Haworth Press
|
Shepherd, Geoffrey Seddon, 1898-
Iowa State College Press
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