Author
United States. Federal Highway Administration
57
Delaware. Division of Highways. Location and Environmental Studies Office
56
Delaware. Bureau of Archaeology and Historic Preservation
51
Philadelphia Record
39
Historical Society of Delaware
34
Custer, Jay F., 1955-
30
Delaware
24
Delaware. Public Archives Commission
22
Maier, Phyllis C.
22
Ashmead, Henry Graham, 1838-1920
19
Pennsylvania
19
Carey, Mathew, 1760-1839
18
Sanborn Map Company
17
Weslager, C. A. 1909-1994
16
Independence Seaport Museum
14
Catts, Wade P.
12
Delaware. General Assembly
12
Bachman, David C.
11
Munroe, John A., 1914-
11
Wright, F. Edward
11
Zeisberger, David, 1721-1808
11
ADC (Firm)
10
Chesapeake and Delaware Canal Company
10
Delaware Railroad Company
10
Delaware. Constitutional Convention
10
Delaware. Department of Transportation. Division of Planning. Location and Environmental Studies Office
10
Delaware. State Historic Preservation Office
10
Hart, Matilda Spicer
10
Henry Francis du Pont Winterthur Museum
10
Johnson, Amandus, 1877-1974
10
United States. Army. Corps of Engineers
10
Weslager, C. A. 1909-
10
Delaware County Historical Society
9
Grettler, David J.
9
American Imprint Collection (Library of Congress)
8
Carey, Henry Charles, 1793-1879
8
Chamber of Commerce of Greater Philadelphia
8
Chesapeake and Delaware Canal Co
8
Coleman, Ellis C.
8
Heite, Edward F.
8
New Jersey
8
Second Presbyterian Fishing Club of Philadelphia
8
Service Citizens of Delaware
8
U.S Federal Highway Administration
8
Conrad, Henry C. b. 1852
7
Counties of New-Castle, Kent, and Sussex upon Delaware. Assembly
7
Delaware Genealogical Society
7
Hagley Museum and Library
7
Jackson, Ronald Vern
7
Lockhart, Keith
7
more ...