Note 138 — Chapter XX
Reading edition
Sammis, J. L., The improved system of selling cheese, Hoard's Dairyman 52 (1916), 15, pages 5, 11-12.
Hibbard, B. H., and A. Hobson, Markets and prices of Wisconsin cheese, Wis. Exp. Sta. Bul. 251, pages 1-56, 1915.