Other
- Employment
- Grain elevators
- Railroad employees 2 results
- Women 2 results
- African Americans 1 results
- Buses 1 results
- Coal 1 results
- Electric railroads 1 results
- Flower shows 1 results
- Girard Point Grain Elevator (Philadelphia, Pa.) 1 results
- Greenwich Point Coal Terminal (Philadelphia, Pa.) 1 results
- Marine terminals 1 results
- Mexican Americans 1 results
- Piers & wharves 1 results
- Railroad bridges 1 results
- Railroad freight cars 1 results
- Railroad locomotives 1 results
- Railroad passenger cars 1 results
- Railroad shops & yards 1 results
- Railroad signals 1 results
- Railroad stations 1 results
- Railroad tracks 1 results
- Vocational education 1 results
- Wrecking 1 results