Author
- Bureau of Municipal Research (Philadelphia, Pa.) 1 results
- Gray, Juliet G. 1 results
- Pennsylvania Economy League 1 results
- Pennsylvania Fish & Boat Commission 1 results
- Pennsylvania. Department of General Services 1 results
- Pennsylvania. Department of Highways 1 results
- Pennsylvania. Department of Transportation 1 results
- Pennsylvania. Department of Transportation. Cartographic Information Division 1 results
- Schuylkill Expressway Improvement Project 1 results
- Shank, William H. 1 results
- United States. Bureau of Public Roads 1 results