| Label | Vocabulary | Concept | Subdivision | Identifier | |
|---|---|---|---|---|---|
| 1. | Ability testing | LC Subject Headings (LCSH) |
General Subdivision | sh99001251 | |
| 2. | Computer-assisted instruction | LC Subject Headings (LCSH) |
General Subdivision | sh99005301 | |
| 3. | Acronyms | LC Subject Headings (LCSH) |
General Subdivision | sh99001912 | |
| 4. | History | LC Subject Headings (LCSH) |
General Subdivision | sh99005024 | |
| Frontier troubles | |||||
| 5. | Texts | LC Subject Headings (LCSH) |
General Subdivision | sh99001991 | |
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