Topic
- Photography of automobiles 16
- Farm buildings 15
- Photography of farms 14
- Photography of railroads 14
- Overhead electric lines 12
- Railroad crossings 12
- Agriculture, Cooperative 10
- Dwellings 10
- Grain elevators 9
- Iron and steel bridges 9
- Central business districts 8
- Railroads 8
- Service stations 8
- Street signs 8
- Automobile repair shops 7
- Bars (Drinking establishments) 7
- Farms 7
- Railroad rails 7
- Sheet-metal, Corrugated 7
- Brick walls 6