| ID | Historical Marker | County |
|---|
| 10.2008.1 | Hannah Toliver | Clark |
| 16.2007.1 | Donnell v. State, 1852 | Decatur |
| 16.2008.1 | Escape of Caroline, 1847 | Decatur |
| 20.2007.1 | Graves et al. v. Indiana | Elkhart |
| 22.2004.1 | A Gateway to Freedom | Floyd |
| 22.2007.2 | New Albany and Salem Railroad (The Monon) | Floyd |
| 22.2011.1 | Lucy Higgs Nichols | Floyd |
| 26.2002.1 | Lyles Station | Gibson |
| 26.2005.1 | James Washington Cockrum | Gibson |
| 29.2008.1 | Rhodes Family Incident | Hamilton |
| 31.2008.1 | Oswell Wright | Harrison |
| 33.1976.1 | Underground Station | Henry |
| 36.2008.2 | Alexander McClure | Jackson |
| 39.2004.2 | Lyman Hoyt | Jefferson |
| 39.2004.3 | Eleutherian College | Jefferson |
| 39.2004.4 | Georgetown | Jefferson |
| 39.2006.2 | John H. and Sarah Tibbets | Jefferson |
| 39.2016.1 | Chapman Harris | Jefferson |
| 49.2006.2 | John Freeman | Marion |
| 49.2009.2 | Bethel African Methodist Episcopal Church | Marion |
| 49.2016.1 | James Overall | Marion |
| 54.1995.1 | Speed Cabin | Montgomery |
| 58.2018.1 | The Barkshire Family | Ohio |
| 68.2016.1 | Union Literary Institute | Randolph |
| 69.2004.1 | Union Church | Ripley |
| 69.2004.2 | Stephen S. Harding | Ripley |
| 89.2002.1 | Levi Coffin | Wayne |
