[56] An act to amend the laws of adulteration of food, drinks, and drugs, 1872.
[57] "Mass and Class," by W.J. Ghent, p. 180-200.
[58] "The Health Department." A pamphlet published by the City Club (1903), p. 23.
[59] Eighteenth Annual Report of the Ohio Dairy and Food Commission (1903), p. 8.
[60] Address of Dr. W.C. Mitchell of the Colorado State Board of Health, before the Portland Pure Food Convention (1902). Journal of Proceedings of the Sixth Annual Convention of the National Association of State Dairy and Food Departments, held at Portland, Ore., pp. 378-383.
[61] "Portland Proceedings," p. 469.
[62] Ohio Report (1898), p. 10.
[63] "The Study of Textiles," by Miss Nellie Crooks, Teachers College, Columbia University, 1908.
[64] Encyclopædia Britannica, Vol. I, Subj. Adulteration.