Author
- Bensalem Chamber of Commerce 1 results
- Business and Industry in Delaware Valley, U.S.A 1 results
- Conwell, Russell H., 1843-1925 1 results
- Gibbons, Herbert Adams, 1880-1934 1 results
- Historical Society of Pennsylvania 4 results
- Leopold, Lee B. 1 results
- Northeast Philadelphia Chamber of Commerce 1 results
- Philadelphia Record 1 results
- Roach, Hannah Benner 1 results