Subject
- Human genetics1
- Hygiene1
- Imperialism1
- Imperialism and Colonialism1
- Industrialists1
- Information Technology1
- Internal combustion engines1
- International business enterprises1
- Inventeurs1
- Inventors1
- Irrationalism (Philosophy)1
- Islam et sciences1
- Jet Propulsion Laboratory (U.S.)1
- Knowledge, Theory of.1
- Launch vehicles (Astronautics)1
- Laundry1
- Learning and scholarship1
- Locomotives à vapeur1
- Lovelace, Ada King, Countess of, 1815-18521
- Malina, Frank J1