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Authors
- Illinois. Division of Communicable Diseases, compiler.1
- Illinois. Division of Sanitary Engineering. Stream Pollution and Sewage Section, author.1
- Illinois. General Assembly. House of Representatives, author.2
- Illinois. General Assembly. Joint Committee of House and Senate to Investigate the Tuberculin Test and Pasteurization of Milk and its Products, author, issuing body.1
- Illinois. General Assembly. Legislative Council. Research Department, author.1
- Illinois. Joint Committee on School Health author.1
- Illinois. Joint Committee on School Health, author.2
- Illinois. Joint Committee on School Health, compiler.1
- Illinois. Office of the Superintendent of Public Instruction, author, issuing body.1
- Imbrie, Robert Whitney, 1884-1924 author1
- Inada, Ryūkichi.1
- Inclán, Clemente, 1879-1965, author1
- Indiana Sanitary and Water Supply Association, author.1
- Indiana State Board of Health, author.4
- Indiana State Board of Health. Division of Industrial Hygiene, author, issuing body.1
- Indiana, enacting jurisdiction.6
- Indiana. Bureau of Industrial Hygiene, author.1
- Indiana. Department of Public Welfare. Division of Medical Care, author, issuing body.1
- Ingalese, Isabella, author1
- Ingals, E. Fletcher (Ephraim Fletcher), 1848-19181