| Label | Vocabulary | Concept | Subdivision | Identifier | |
|---|---|---|---|---|---|
| 1. | Archives | LC Subject Headings (LCSH) |
General Subdivision | sh99001931 | |
| 2. | Communication systems | LC Subject Headings (LCSH) |
General Subdivision | sh99002304 | |
| 3. | History | LC Subject Headings (LCSH) |
General Subdivision | sh99005024 | |
| Frontier troubles ; Frontier troubles | |||||
| 4. | Accounting | LC Subject Headings (LCSH) |
General Subdivision | sh99002080 | |
| 5. | Security measures | LC Subject Headings (LCSH) |
General Subdivision | sh99005297 | |
| 6. | Records and correspondence | LC Subject Headings (LCSH) |
General Subdivision | sh99002103 | |
| Office records | |||||
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