| Owner | Count | 1.
| Adams, Carl C., San Marino, California | 65 | 2.
| Adams, Carroll, Mrs, Lynchburg, Virginia | 2 | 3.
| Adams, Charles A., Middlebury, Vermont | 4 | 4.
| Adams, Charles F., | 1 | 5.
| Adams, Charles Francis, | 1 | 6.
| Adams, Charles Francis Jr, Dover, Massachusetts | 1 | 7.
| Adams, Charles, Mrs., Camden, South Carolina | 3 | 8.
| Adams County Commissioners, Decatur, Indiana | 1 | 9.
| Adams County Courthouse, Decatur, Indiana | 1 | 10.
| Adams County Historical Society, Gettysburg, Pennsylvania | 14 |
|