| Label | Dataset | Type | Subdivision | Identifier | |
|---|---|---|---|---|---|
| 1. | Classification |
LC Subject Headings (LCSH) |
Topic SimpleType Authority |
General Subdivision | sh2002012034 |
| 2. | History |
LC Subject Headings (LCSH) |
Topic SimpleType Authority |
General Subdivision | sh99005024 |
| Frontier troubles ; Frontier troubles | |||||
| 3. | Vocational guidance |
LC Subject Headings (LCSH) |
Topic SimpleType Authority |
General Subdivision | sh2002006455 |
| Guidance, Vocational | |||||
| 4. | Study and teaching |
LC Subject Headings (LCSH) |
Topic SimpleType Authority |
General Subdivision | sh2001008697 |
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