Van Norman, H. E. (1915). First lessons in dairying: A handbook setting forth the underlying principles of dairying for the student beginner in the laboratory and on the farm. Orange Judd Co..

Van Norman, H. E. First Lessons in Dairying: A Handbook Setting Forth the Underlying Principles of Dairying for the Student Beginner in the Laboratory and on the Farm. New York: Orange Judd Co., 1915.

Van Norman, H. E. First Lessons in Dairying: A Handbook Setting Forth the Underlying Principles of Dairying for the Student Beginner in the Laboratory and on the Farm. Orange Judd Co., 1915.