| Label | Dataset | Type | Subdivision | Identifier | |
|---|---|---|---|---|---|
| 21. | Foreign relations |
LC Subject Headings (LCSH) |
Topic SimpleType Authority |
General Subdivision | sh00005791 |
| Relations (diplomatic) ; Relations (diplomatic) | |||||
| 22. | Environmental conditions--17th century |
LC Subject Headings (LCSH) |
ComplexSubject ComplexType Authority |
General Subdivision | sh2017004453 |
| 23. | Environmental conditions--19th century |
LC Subject Headings (LCSH) |
ComplexSubject ComplexType Authority |
General Subdivision | sh2017004455 |
| 24. | Environmental conditions--21st century |
LC Subject Headings (LCSH) |
ComplexSubject ComplexType Authority |
General Subdivision | sh2017004457 |
| 25. | Altitudes |
LC Subject Headings (LCSH) |
Topic SimpleType Authority |
General Subdivision | sh99002317 |
| Elevations (Altitudes) | |||||
| 26. | International status |
LC Subject Headings (LCSH) |
Topic SimpleType Authority |
General Subdivision | sh00006353 |
| 27. | Centennial celebrations, etc. |
LC Subject Headings (LCSH) |
Topic SimpleType Authority |
General Subdivision | sh99004929 |
| Centenary celebrations ; Centennials | |||||
| 28. | Environmental conditions |
LC Subject Headings (LCSH) |
Topic SimpleType Authority |
General Subdivision | sh99005384 |
| Environmental history | |||||
| 29. | In mass media |
LC Subject Headings (LCSH) |
Topic SimpleType Authority |
General Subdivision | sh2002011415 |
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