| Alfred B. Patton Incorporated. |
| American Automobile Association. |
| Andres, A. Scott; Ramsey, Kelvin W. |
| Arrowsmith, Aaron, 1750-1823. |
| |
| Bache, Hartman, 1797-1872. |
| Bank of Delaware. |
| Beers, D. G. (Daniel G.) |
| Bethany Beach-Fenwick Island--Chamber of Commerce. |
| Bikemap.com |
| Blunt, Edmund M. (Edmund March), 1770-1862. |
| Bradley, William M. |
| Brandywine Valley Association. |
| Buchon, Jean Alexandre, 1791-1846. |
| Burr, David H., 1803-1875. |
| |
| C.E. Jordan Inc. |
| Carez, J. |
| Century Company. |
| Champion Map Corporation. |
| Chillas, David. |
| Clarke, Barbara A. W. |
| Cowperthwait & Co. |
| Cram, George Franklin, 1841-1928. |
| |
| D. Appleton and Company. |
| Day and Klauder, Architects. |
| De Valinger, Leon, 1905-2000. |
| Del-Mar-Va Eastern Shore Association. |
| Delaware Authority for Regional Transit. |
| Delaware Campground Association. |
| Delaware Coach Company. |
| Delaware College. Agricultural Experiment Station. |
| Delaware Federal Writers' Project. |
| Delaware River and Bay Authority. |
| Delaware Tercentenary Commission. |
| Delaware Tourism Office. |
| Delaware. Board of Game and Fish Commissioners. |
| Delaware. Board of Park Commissioners. |
| Delaware. Bureau of Highway Planning. |
| Delaware. Dept. of Agriculture. |
| Delaware. Dept. of Transportation. |
| Delaware. Division of Highways. Bureau of Planning. |
| Delaware. Mosquito Control Commission. |
| Delaware. State Highway Dept. |
| Delaware. State Highway Dept. Planning and Review Section. |
| Delaware. State Highway Dept. Planning Section. |
| Delaware. State Highway Dept.; Dolph Map Company. |
| Denison, J. |
| Des Barres, Joseph F. W. (Joseph Frederick Wallet), 1722-1824. |
| Diamond State Telephone (Firm). |
| Dolph Map Company. |
| Donnahue, T. C. |
| Downtown Newark Partnership (Del.) |
| |
| Esso Standard Oil Company. |
| Every Evening. |
| |
| Faden, William, 1750?-1836. |
| Farm Journal, Inc. |
| Farmers Bank of the State of Delaware. |
| Finley, A. (Anthony). |
| Fisher, Joshua, 1707-1783. |
| Franklin Survey Company. |
| Furlong, Lawrence. |
| |
| G.W. & C.B. Colton & Co. |
| Gamble, W. H. (William H.) |
| Gentleman's magazine (London, England). |
| Geological Survey (U.S.) |
| Good, Vernon L. |
| Gray, Frank A. |
| Greenleaf, J. (Jeremiah), 1791-1864. |
| Gross, Alexander, 1879-1958. |
| Guarantee Title & Trust Company (Wilmington, Del.) |
| |
| Hagstrom Company. |
| Hazes, Arthur J. |
| Hazzard, J. L. |
| Hills, I. |
| Hinton, Isaac Taylor, 1799-1847. |
| Hopkins, C. M. |
| |
| J.H. Colton & Co. |
| Johnson & Browning. |
| Johnson, A. J. (Alvin Jewett), 1827-1844. |
| |
| Kalmar Nyckel Commemorative Committee. |
| Kaufmann Map Coloring Co. |
| Kitchin, Thomas, d. 1784. |
| Koester, Edwin Ferdinand. |
| |
| L.B. Prince Co. |
| Lucas, Fielding, 1781-1854. |
| |
| Martin, D. |
| Mendenhall, C. S. |
| Mentholatum Company. |
| Middelton. |
| Mitchell, S. Augustus (Samuel Augustus), 1792-1868. |
| |
| New Castle County (Del.) Regional Planning Commission. |
| Newark Chamber of Commerce (Del.) |
| Newark Department Store (Del.) |
| News Journal (Wilmington, Del.) |
| Nunn, Roscoe. |
| |
| O.W. Gray & Son. |
| |
| Phillips Petroleum Company. |
| Powell, Dorothy K. |
| Price & Price (Firm). |
| |
| R.L. Polk & Co. |
| Rand McNally and Company. |
| Ratzer, Bernard. |
| Reese, George M. |
| Rehoboth Beach Chamber of Commerce. |
| Resort Maps (Firm). |
| Robert de Vaugondy, Gilles, 1688-1766. |
| Robinson, Frederic H. |
| |
| Sanborn Map Company. |
| Schoonover, Frank Earle, 1877-1972. |
| Sigmund, Merle H. |
| Smith, J. L. |
| Society for the Diffusion of Useful Knowledge (Great Britain). |
| Sotzmann, D. F. |
| Sun Oil Company. |
| |
| Tanner, Henry Schenck, 1786-1858. |
| Texaco inc. |
| |
| U.S. Coast and Geodetic Survey. |
| United States. Army Map Service. |
| United States. Army. Corps of Engineers. |
| United States. Bureau of Public Roads. |
| United States. Coast Survey. |
| United States. Constitution Sesquicentennial Commission. |
| United States. Dept. of Agriculture. |
| United States. Dept. of the Interior. |
| United States. Government Printing Office. |
| United States. National Ocean Service. |
| United States. War Dept. |
| Universal Magazine. |
| University of Delaware. Office of Undergraduate Admissions. |
| |
| W.T. Peck and Co. |
| Wilmington (Del.). Street and Sewer Dept. |
| Wilson, Wilbur T., 1856-1942. |
| |
| Young & Delleker. |
