Classification
347 - Civil procedure & courts
4
305 - Social groups
2
338 - Production
2
340 - Law
2
342 - Constitutional & administrative law
2
004 - Data processing & computer science
1
070 - News media, journalism & publishing
1
299 - Religions not provided for elsewhere
1
301 - Sociology & anthropology
1
322 - Relation of state to organized groups
1
325 - International migration & colonization
1
330 - Economics
1
341 - Law of nations
1
346 - Private law
1
363 - Other social problems & services
1
398 - Folklore
1
410 - Linguistics
1
501 - Philosophy & theory
1
515 - Analysis
1
516 - Geometry
1
610 - Medicine & health
1
709 - Historical, geographic & persons treatment
1
909 - World history
1
947 - Eastern Europe; Russia
1