Subjects
- Quarrying.1
- Railroad bridges.1
- Railroad companies.1
- Railroad locomotives.1
- Railroad stations--Michigan.1
- Railroad stations.1
- Railroads--Design and construction.1
- Railroads--Michigan.1
- Railroads--Rolling stock.1
- Railroads.1
- Reading.1
- Reconstruction (U.S. history, 1865-1877)1
- Reconstruction (U.S. history, 1865-1877)--Southern States.1
- Religious institutions--California--San Francisco Bay Area--History--19th century.1
- Religious institutions--New York (State)--New York--History--19th century.1
- Reservoirs.1
- Roads--Design and construction.1
- Roads.1
- Rubber industry.1
- Rulers.1