Topic
- Photography of railroads 25
- Photography of water 5
- Photography of women 2
- Photography, Agricultural 3
- Photography, Industrial 31
- Portrait photography 1
- Railroad bridges 12
- Railroad cars 7
- Railroad rails 24
- Railroad signal towers 2
- Railroad stations 7
- Railroad yards 1
- Railroads 31
- Railroads --Freight 1
- Rolling (Metal-work) 1
- Sheet-metal, Corrugated 2
- Shingles 1
- Signs and signboards 4
- Silos 1
- Steel industry and trade 1