Classification
000 - Computer science, information & general works
109
100 - Philosophy & psychology
363
120 - Epistemology, causation & humankind
22
140 - Specific philosophical schools
311
160 - Logic
6
170 - Ethics
81
200 - Religion
218
296 - Judaism
48
297 - Islam, Babism & Bahai Faith
76
300 - Social sciences
565
301 - Sociology & anthropology
239
304 - Factors affecting social behavior
97
320 - Political science
778
330 - Economics
446
333 - Economics of land & energy
208
336 - Public finance
1
340 - Law
194
350 - Public administration & military science
35
360 - Social problems & services; associations
19
361 - Social problems & social welfare in general
36
363 - Other social problems & services
181
364 - Criminology
27
370 - Education
237
380 - Commerce, communications & transportation
166
398 - Folklore
11
400 - Language
222
410 - Linguistics
202
414 - Phonology & phonetics
35
500 - Natural sciences & mathematics
69
520 - Astronomy & allied sciences
8
530 - Physics
49
540 - Chemistry & allied sciences
22
550 - Earth sciences
4
551 - Geology, hydrology & meteorology
61
576 - Genetics & evolution
48
580 - Plants (Botany)
16
581 - Specific topics in natural history
66
590 - Animals (Zoology)
7
600 - Technology
210
610 - Medicine & health
119
612 - Human physiology
5
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
142
630 - Agriculture & related technologies
61
657 - Accounting
3
658 - General management
5
700 - The arts; fine & decorative arts
490
720 - Architecture
89
770 - Photography, photographs & computer art
22
780 - Music
82
more ...