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Subjects| Subjects term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Piedras preciosas | 0 | 0 | |
| Estructuras hidráulicas | 0 | 0 | |
| Préstamos | 0 | 0 | |
| Fortificaciones | 0 | 0 | |
| Regencia | 0 | 0 | |
| Ingeniería (18) | 0 | 0 | |
| Urbanismo (1) | 0 | 0 | |
| Ingeniería costera | 0 | 0 | |
| Ingeniería militar (3) | 0 | 0 | |
| Ingeniería civil (8) | 0 | 0 |
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