Classification
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600 - Technology
13
610 - Medicine & health
1
616 - Diseases
1
620 - Engineering & allied operations
36
621 - Applied physics
16
622 - Mining & related operations
3
624 - Civil engineering
29
628 - Sanitary & municipal engineering
2
630 - Agriculture & related technologies
3
631 - Techniques, equipment & materials
4
650 - Management & auxiliary services
1
660 - Chemical engineering
3
661 - Industrial chemicals
1
690 - Buildings
1
691 - Building materials
1
700 - The arts; fine & decorative arts
20
720 - Architecture
3
820 - English & Old English literatures
1
900 - History & geography
12
910 - Geography & travel
11
930 - History of ancient world to ca. 499
4