Author
- Brandywine Conservancy 1 results
- Delaware Historic Preservation Section 1 results
- Delaware Section of Archaeology 1 results
- Delaware Valley Regional Planning Commission 1 results
- Delaware. Bureau of Archaeology and Historic Preservation 1 results
- Delaware. Division of Highways. Location and Environmental Studies Office 1 results
- Dixon, Stuart P. 1 results
- Rubenstone, Cathy 1 results
- United States. Federal Highway Administration 1 results