Items where Subject is "600 Technology (Applied science)"

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Library of Congress Subject Areas (43)
- 600 Technology (Applied science) (43)
  - 620 Engineering and allied operations (1)
  - 630 Agriculture (18)
  - 650 Management and auxiliary services (20)
  - 680 Manufacture of product for specific uses (1)
  - 690 Construction of buildings (3)

Number of items at this level: 0.

This list was generated on Thu Jan 22 17:57:22 2026 UTC.