Author
- United States. Federal Highway Administration 57 results
- Delaware. Division of Highways. Location and Environmental Studies Office 56 results
- Delaware. Bureau of Archaeology and Historic Preservation 51 results
- Philadelphia Record 39 results
- Historical Society of Delaware 34 results
- Custer, Jay F., 1955- 30 results
- Delaware 23 results
- Delaware. Public Archives Commission 22 results
- Maier, Phyllis C. 22 results
- Ashmead, Henry Graham, 1838-1920 19 results
- Pennsylvania 19 results
- Carey, Mathew, 1760-1839 18 results
- Sanborn Map Company 17 results
- Weslager, C. A. (Clinton Alfred), 1909-1994 16 results
- Independence Seaport Museum 14 results
- Catts, Wade P. 12 results
- Delaware. General Assembly 12 results
- Munroe, John A., 1914- 11 results
- Wright, F. Edward 11 results
- ADC (Firm) 10 results
- Chesapeake and Delaware Canal Company 10 results
- Delaware Railroad Company 10 results
- Delaware. Constitutional Convention 10 results
- Delaware. Department of Transportation. Division of Planning. Location and Environmental Studies Office 10 results
- Delaware. State Historic Preservation Office 10 results
- Hart, Matilda Spicer 10 results
- Henry Francis du Pont Winterthur Museum 10 results
- United States. Army. Corps of Engineers 10 results
- Zeisberger, David, 1721-1808 10 results
- Delaware County Historical Society 9 results
- Grettler, David J. 9 results
- Johnson, Amandus, 1877-1974 9 results
- Weslager, C. A. (Clinton Alfred), 1909- 9 results
- American Imprint Collection (Library of Congress) 8 results
- Carey, Henry Charles, 1793-1879 8 results
- Chamber of Commerce of Greater Philadelphia 8 results
- Chesapeake and Delaware Canal Co 8 results
- Coleman, Ellis C. 8 results
- Heite, Edward F. 8 results
- New Jersey 8 results
- Second Presbyterian Fishing Club of Philadelphia 8 results
- Service Citizens of Delaware 8 results
- U.S Federal Highway Administration 8 results
- Bachman, David C. (David Charles) 7 results
- Conrad, Henry C. (Henry Clay), b. 1852 7 results
- Counties of New-Castle, Kent, and Sussex upon Delaware. Assembly 7 results
- Delaware Genealogical Society 7 results
- Hagley Museum and Library 7 results
- Jackson, Ronald Vern 7 results
- Lockhart, Keith 7 results more…