| Label | Dataset | Type | Subdivision | Identifier | |
|---|---|---|---|---|---|
| 1. | Light pollution |
LC Classification (LCC) |
ClassNumber Topic |
QB51.3.L53 | |
| Science--Astronomy--Special topics, A-Z--Light pollution ; Light pollution--Astronomy | |||||
| 2. | Light pollution |
LC Subject Headings (LCSH) |
Topic SimpleType Authority |
sh00006855 | |
| 3. | Light pollution |
LC Children's Subject Headings |
Topic SimpleType Authority |
sj2021053533 | |
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