- Georgia. Division of Highway Planning23
- Georgia. Department of Transportation. Division of Planning and Programming. Planning Data Services20
- Georgia. Department of Transportation11
- Tanner, Henry Schenck, 1786-185810
- Lindenkohl, A9
- Young, J. H. (James Hamilton)9
- Bradford, T. G. (Thomas Gamaliel), 1802-18878
- Augusta Motor Club5
- Bonner, William G.5
- Mitchell, S. Augustus (Samuel Augustus), 1792-18685
- Lewis, Samuel, 1753 or 4-18224
- Colton, J. H. (Joseph Hutchins), 1800-18933
- Georgia. Department of Transportation. Division of Planning and Programming. Office of Information Services3
- Georgia. Department of Transportation. Office of Planning3
- Hinton, John Howard, 1791-18733
- Lucas, Fielding, 1781-18543
- Merrill, W. E. 1837-1891.3
- Scoles, John, 1772?-18533
- United States Coast Survey3
- Gridley, Enoch G.2