Classification
330 - Economics
379
320 - Political science
350
340 - Law
53
380 - Commerce, communications & transportation
36
900 - History & geography
27
530 - Physics
10
300 - Social sciences
7
500 - Natural sciences & mathematics
5
700 - The arts; fine & decorative arts
5
576 - Genetics & evolution
4
630 - Agriculture & related technologies
4
650 - Management & auxiliary services
4
610 - Medicine & health
3
620 - Engineering & allied operations
3
660 - Chemical engineering
3
820 - English & Old English literatures
3
930 - History of ancient world to ca. 499
3
730 - Plastic arts; sculpture
2
000 - Computer science, information & general works
1
250 - Christian orders & local church
1
350 - Public administration & military science
1
390 - Customs, etiquette & folklore
1
542 - Techniques, equipment & materials
1
543 - Analytical chemistry
1
547 - Organic chemistry
1
553 - Economic geology
1
600 - Technology
1
920 - Biography, genealogy & insignia
1