Topic
- Country life 119
- Photography, Close-up 114
- Abandoned buildings 91
- Storefronts 90
- Smoke 87
- Abandonment of property 82
- Railroad cars 77
- Signs and signboards 73
- Windows 73
- Farms 71
- Grain elevators 71
- Advertising 67
- Landscape photography 65
- Stacks (Naval architecture) 63
- Steel industry and trade 61
- Marine machinery 60
- Barns 59
- Mills and mill-work 59
- Bridges, Iron and steel 58
- Steam locomotives 57