Dummeier, Edwin F. Economics with applications to agriculture / by Edwin F. Dummeier, Richard B. Heflebower and Theodore Norman - 3rd ed. - New York : McGraw-Hill, 1950 - xv, 718 p. : tables, diagrs ; 23 cm. Suggested readings at end of each chapter 1st pub. in 1934 Subjects--Topical Terms: Agricultural productivityFertilizersFarm managementAgriculture Dewey Class. No.: 134