Classification
006 - Special computer methods
15
005 - Computer programming, programs & data
9
306 - Culture & institutions
8
320 - Political science
7
327 - International relations
7
004 - Data processing & computer science
6
791 - Public performances
6
616 - Diseases
5
658 - General management
5
305 - Social groups
3
364 - Criminology
3
370 - Education
3
515 - Analysis
3
530 - Physics
3
303 - Social processes
2
304 - Factors affecting social behavior
2
323 - Civil & political rights
2
330 - Economics
2
338 - Production
2
340 - Law
2
371 - Schools & their activities; special education
2
501 - Philosophy & theory
2
519 - Probabilities & applied mathematics
2
551 - Geology, hydrology & meteorology
2
571 - Physiology & related subjects
2
576 - Genetics & evolution
2
610 - Medicine & health
2
007 - [Unassigned]
1
025 - Library operations
1
070 - News media, journalism & publishing
1
200 - Religion
1
300 - Social sciences
1
307 - Communities
1
325 - International migration & colonization
1
333 - Economics of land & energy
1
337 - International economics
1
341 - Law of nations
1
378 - Higher education
1
400 - Language
1
500 - Natural sciences & mathematics
1
578 - Natural history of organisms
1
620 - Engineering & allied operations
1
621 - Applied physics
1
624 - Civil engineering
1
650 - Management & auxiliary services
1
792 - Stage presentations
1
801 - Philosophy & theory
1
809 - History, description & criticism
1
930 - History of ancient world to ca. 499
1
945 - Italian Peninsula & adjacent islands
1
more ...