Authors
- Illoway, H. (Henry), 1848-1932 author1
- Imbassahy, Emilio Teixeira Santos.1
- Independent Medical School of Pennsylvania.1
- Indian Herb Doctor, 1830-1903, author1
- Indiana Soldiers' and Seamen's Home Association.1
- Indiana State Board of Health, compiler.1
- Indiana State Board of Health, issuing body.1
- Indiana State Medical Association.1
- Infant School & Children's Home (Charlestown, Boston, Mass.).1
- Ingalls, William, 1813-19031
- Ingals, E. (Ephraim), 1823-19001
- Ingals, E. Fletcher (Ephraim Fletcher), 1848-191824
- Ingals, E. Fletcher (Ephraim Fletcher), 1848-1918 author2
- Ingersoll, A. J. (Andrew J.) author3
- Ingersoll, Lurton Dunham.1
- Inglis, David, 1850-1922 author3
- Ingraham, Charles Wilson, author1
- Inspectors of the Philadelphia County Prison.2
- Instituto Homeopático do Brasil.1
- Instituto Médico Nacional (Mexico) author.1