Subject
- Inventors1
- Irrationalism (Philosophy)1
- Islam and science1
- 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
- Management information systems1
- Manned space flight1
- Medical innovations1
- Medicine1
- Nuclear weapons1
- Occultism1
- Parsons, Jack, 1914-19521
- Power resources1