21. Reglamento sobre importación, elaboración y expendio de alimentos Author(s): Venezuela. Oficina Central de Sanidad Nacional. Publication: Caracas : La Oficina, 1921 Subject(s): Legislation, FoodVenezuela
22. Milk ordinance and code: recommended by the United States Public Health Service, 1939 Author(s): United States. Public Health Service. Publication: Washington, D.C. : U.S. G.P.O., 1940 Subject(s): MilkFood Handling -- legislation & jurisprudenceLegislation, FoodUnited States