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Authors
- I. K., active 19th century author1
- Illinois State Board of Health, author.2
- Illinois State Board of Health.3
- Independent Medical School of Pennsylvania.1
- Indiana State Board of Health, compiler.1
- Ingals, E. (Ephraim), 1823-19001
- Ingals, E. Fletcher (Ephraim Fletcher), 1848-19181
- Ingersoll, Lurton Dunham.1
- Irwin, Bernard John Dowling, 1830-19171