| Label | Dataset | Type | Subdivision | Identifier | |
|---|---|---|---|---|---|
| 1. | Canals |
LC Subject Headings (LCSH) |
Topic SimpleType Authority |
sh85019433 | |
| 2. | Canals, Interoceanic |
LC Subject Headings (LCSH) |
Topic SimpleType Authority |
sh85019472 | |
| Interoceanic canals ; Isthmian canals ; Sea level canals | |||||
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