| 300301. | Agency. | |
| 300302. | Certified local government. | |
| 300303. | Council. | |
| 300304. | Cultural park. | |
| 300305. | Historic conservation district. | |
| 300306. | Historic Preservation Fund. | |
| 300307. | Historic preservation review commission. | |
| 300308. | Historic property. | |
| 300309. | Indian tribe. | |
| 300310. | Local government. | |
| 300311. | National Register. | |
| 300312. | National Trust. | |
| 300313. | Native Hawaiian. | |
| 300314. | Native Hawaiian organization. | |
| 300315. | Preservation or historic preservation. | |
| 300316. | Secretary. | |
| 300317. | State. | |
| 300318. | State historic preservation review board. | |
| 300319. | Tribal land. | |
| 300320. | Undertaking. | |
| 300321. | World Heritage Convention. | |