Author
- Alleghany Railroad and Coal Company 1 results
- Beaver Meadow Railroad and Coal Company 1 results
- Brown, Stuart E. (Stuart Ellett), 1916- 1 results
- Central Railroad of New Jersey 2 results
- Fernon, Thomas S. (Thomas Sargent), 1818-1896 3 results
- Graebner, William 2 results
- Joseph Walker & Sons 1 results
- Lauck, W. Jett (William Jett), 1879-1949 1 results
- North Pennsylvania Railroad Company 5 results
- Philadelphia 1 results
- Philadelphia & Reading Railroad Co 1 results
- Philadelphia (Pa.). Councils 1 results
- Philadelphia and Reading Coal and Iron Company 1 results
- United Mine Workers of America 1 results
- United States Anthracite Coal Commission 1 results