| Label | Dataset | Type | Subdivision | Identifier | |
|---|---|---|---|---|---|
| 41. | History--21st century |
LC Subject Headings (LCSH) |
ComplexSubject ComplexType Authority |
General Subdivision | sh2002006168 |
| 42. | Economic conditions--19th century |
LC Subject Headings (LCSH) |
ComplexSubject ComplexType Authority |
General Subdivision | sh2002011403 |
| 43. | Study and teaching |
LC Subject Headings (LCSH) |
Topic SimpleType Authority |
General Subdivision | sh2001008697 |
| 44. | Economic conditions--20th century |
LC Subject Headings (LCSH) |
ComplexSubject ComplexType Authority |
General Subdivision | sh2002011407 |
| 45. | Social life and customs |
LC Subject Headings (LCSH) |
Topic SimpleType Authority |
General Subdivision | sh2001008851 |
| Customs | |||||
| 46. | Library resources |
LC Subject Headings (LCSH) |
Topic SimpleType Authority |
General Subdivision | sh2002006396 |
| 47. | Social life and customs--16th century |
LC Subject Headings (LCSH) |
ComplexSubject ComplexType Authority |
General Subdivision | sh2001008853 |
| 48. | Information services |
LC Subject Headings (LCSH) |
Topic SimpleType Authority |
General Subdivision | sh00006253 |
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