Subjects
- Hotels and taverns.1
- Ice.1
- Inclined railroads.1
- Indians of North America -- Michigan.1
- Industrial facilities.1
- Industry.1
- Inventors.1
- Iron mining.1
- Kitchens.1
- Labor unions -- Michigan -- Ann Arbor.1
- Laborers.1
- Lawyers -- Religious life -- Michigan -- Ann Arbor.1
- Libraries -- Michigan -- Ann Arbor.1
- Lifeguards.1
- Lighthouses -- Michigan.1
- Lighthouses.1
- Lightships.1
- Living rooms.1
- Loading docks.1
- Logging -- Michigan -- Upper Peninsula.1