Author
- Pennsylvania. Department of Commerce 4 results
- North Pennsylvania Railroad Company 2 results
- Pennsylvania State Publicity Commission 2 results
- Ballard, Frances 1 results
- Bonta, Marcia, 1940- 1 results
- Carstens, A H. 1 results
- Central Railroad of New Jersey 1 results
- Coleman, Lyman, 1796-1882 1 results
- DeLorme Mapping Company 1 results
- Federal Writers' Project (Pa.) 1 results
- John Wanamaker (Firm) 1 results
- Landis, Dwight 1 results
- Lehigh Valley Railroad 1 results
- Penn Dept. of Highways 1 results
- Pennsylvania Bureau of Travel Development 1 results
- Pennsylvania Scenic and Historic Commission 1 results
- Pennsylvania. Department of Property and Supplies 1 results
- Pennsylvania. State Publicity Commission 1 results
- Rivinus, Marion Willis Martin, 1889- 1 results
- Seitz, Blair 1 results
- Seitz, Ruth Hoover 1 results
- Sesqui-Centennial International Exposition 1 results
- Stowinsky, Ryan 1 results
- Thwaites, Tom 1 results
- Writers' Program of the Work Projects Administration in the Commonwealth of Pennsylvania 1 results