Items where Subject is ""
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- Dewey Decimal Classification (5893)
- 200 – Religion (2)
- 300 – Social sciences (857)
- 400 – Language (16)
- 500 – Science (34)
- 600 – Technology (3097)
- 700 - Arts & recreation (908)
- 800 – Literature (3)
Number of items at this level: 0.