Classification
000 - Computer science, information & general works
197
001 - Knowledge
1
003 - Systems
9
004 - Data processing & computer science
18
005 - Computer programming, programs & data
109
006 - Special computer methods
14
011 - Bibliographies
1
051 - Serials in American English
1
062 - Organizations in British Isles; in England
1
100 - Philosophy & psychology
11
140 - Specific philosophical schools
71
153 - Mental processes & intelligence
2
160 - Logic
2
170 - Ethics
4
174 - Occupational ethics
1
200 - Religion
3
296 - Judaism
1
297 - Islam, Babism & Bahai Faith
2
300 - Social sciences
8
302 - Social interaction
8
304 - Factors affecting social behavior
20
306 - Culture & institutions
1
320 - Political science
54
330 - Economics
259
331 - Labor economics
9
332 - Financial economics
89
333 - Economics of land & energy
182
338 - Production
34
339 - Macroeconomics & related topics
1
340 - Law
16
361 - Social problems & social welfare in general
12
363 - Other social problems & services
107
368 - Insurance
1
370 - Education
22
380 - Commerce, communications & transportation
98
381 - Commerce
33
384 - Communications; telecommunication
1
400 - Language
4
410 - Linguistics
9
414 - Phonology & phonetics
16
500 - Natural sciences & mathematics
64
510 - Mathematics
5
519 - Probabilities & applied mathematics
12
530 - Physics
11
539 - Modern physics
2
540 - Chemistry & allied sciences
28
548 - Crystallography
1
551 - Geology, hydrology & meteorology
33
570 - Life sciences; biology
6
576 - Genetics & evolution
49
more ...