Louisiana - Constructed - 1910–1919
| Allen Parish Courthouse |
| American Chicle Company Building |
| Beard Congregational Church |
| Beauregard, Gen., Equestrian Statue |
| Beauregard Parish Jail |
| B'Nai Zion Temple |
| Bogalusa City Hall |
| Bolton High School |
| Central High School |
| Dendinger House |
| DeSoto Parish Courthouse |
| Dupleix House |
| First United Methodist Church |
| Frithland |
| Frost House |
| Genius Brothers Building |
| Guitreau House |
| Hemenway Furniture Co. Building |
| Hirsch, Mayer, House |
| Hope Lodge #145 |
| Kansas City Southern Depot |
| Kansas City Southern Depot, Zwolle |
| Karnofsky Tailor Shop-House |
| Kell House |
| Lacombe School |
| Lemoine, Thomas A., House |
| Madisonville Town Hall |
| Merchants and Planters Bank |
| Peltier House |
| Pennington, S. A., House |
| Phillips School |
| St. Julien House |
| St. Mary Magdalen Church, Rectory, and Cemetery |
| St. Patrick's Catholic Church |
| U.S. Army Supply Base New Orleans |
Data from United States Park Service and Wikidata
