| Label | Vocabulary | Concept | Subdivision | Identifier | |
|---|---|---|---|---|---|
| 1. | Specifications | LC Subject Headings (LCSH) |
Form Subdivision | sh99001748 | |
| Contracts and specifications | |||||
| 2. | Trademarks | LC Subject Headings (LCSH) |
Form Subdivision | sh99001758 | |
| Trade-marks | |||||
| 3. | Records and correspondence | LC Subject Headings (LCSH) |
Form Subdivision | sh99001916 | |
| Office records | |||||
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