Classification
341 - Law of nations
86
629 - Other branches of engineering
35
340 - Law
11
343 - Military, tax, trade & industrial law
7
621 - Applied physics
7
333 - Economics of land & energy
4
523 - Specific celestial bodies & phenomena
3
658 - General management
3
338 - Production
2
344 - Labor, social, education & cultural law
2
363 - Other social problems & services
2
530 - Physics
2
620 - Engineering & allied operations
2
001 - Knowledge
1
004 - Data processing & computer science
1
300 - Social sciences
1
327 - International relations
1
347 - Civil procedure & courts
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
509 - Historical, geographic & persons treatment
1
520 - Astronomy & allied sciences
1
600 - Technology
1
601 - Philosophy & theory
1