Subject
- Coolidge, Calvin, 1872-1933.1
- Coolidge, Grace Goodhue, 1879-1957.1
- Daniels, Josephus, 1862-1948.1
- Explosions.1
- Families--United States.1
- Family reunions.1
- Flowering shrubs.1
- Hibbing (Minn.)--Description and travel.1
- Iron industry.1
- Labor unions--United States.1
- Logging, Skyline.1
- Machinery.1
- Magnesium industry and trade.1
- Middle West--Description and travel.1
- Mine explosions.1
- Mineral industries.1
- Motion picture journalism--United States--History.1
- Motion picture journalists--United States--History.1
- Mountains.1
- Museums.1