Subject
- Illinois. Governor (1917-1921 : Lowden)1
- Indians of North America--in art.1
- Infants.1
- Insect pests.1
- Inventions.1
- Inventors.1
- Iron and steel bridges--Design and construction.1
- Kittens.1
- Labor.1
- Land use, Rural.1
- Letter writing.1
- Letters.1
- Leviathan (Ship)1
- Leviathan (Steamship)1
- Lie detectors and detection.1
- Lighthouses.1
- Lipreading.1
- Liquor laws.1
- Locomotion (Steam locomotive)1
- Locomotives--Models--History.1