Judkins, Henry F., 1890- The principles of dairying: testing and manufactures/ Henry F. Judkins and Merrill J. Mack - 3rd ed. - New York: John Wiley, 1951 - 315 p.: ill.; 23 cm. Includes index Subjects--Topical Terms: DairyingLactationMilk yieldDairy productsMilk Dewey Class. No.: 637