| Code | Description | Items |
|---|---|---|
| 350 | Public administration | 16 |
| 351 | Of central governments | 54 |
| 352 | Of local governments | 112 |
| 353 | of U.S. federal & state governments | 16 |
| 354 | Of specific central governments | 8 |
| 355 | Military science | 224 |
| 356 | Foot forces & warfare | 32 |
| 357 | Mounted forces & warfare | 4 |
| 358 | Other specialized forces & services | 25 |
| 359 | Sea (Naval) forces & warfare | 27 |