Classification
363 - Other social problems & services
700 - The arts; fine & decorative arts
600 - Technology
354
333 - Economics of land & energy
319
000 - Computer science, information & general works
307
620 - Engineering & allied operations
262
330 - Economics
250
900 - History & geography
229
610 - Medicine & health
218
140 - Specific philosophical schools
149
380 - Commerce, communications & transportation
138
320 - Political science
133
551 - Geology, hydrology & meteorology
128
580 - Plants (Botany)
115
581 - Specific topics in natural history
73
576 - Genetics & evolution
65
370 - Education
63
540 - Chemistry & allied sciences
62
630 - Agriculture & related technologies
62
720 - Architecture
56
340 - Law
46
500 - Natural sciences & mathematics
42
658 - General management
42
414 - Phonology & phonetics
37
800 - Literature & rhetoric
37
100 - Philosophy & psychology
31
304 - Factors affecting social behavior
22
612 - Human physiology
20
400 - Language
19
300 - Social sciences
18
530 - Physics
18
170 - Ethics
17
200 - Religion
14
301 - Sociology & anthropology
13
615 - Pharmacology & therapeutics
8
361 - Social problems & social welfare in general
7
410 - Linguistics
7
791 - Public performances
6
297 - Islam, Babism & Bahai Faith
5
520 - Astronomy & allied sciences
4
657 - Accounting
4
770 - Photography, photographs & computer art
4
780 - Music
4
120 - Epistemology, causation & humankind
3
550 - Earth sciences
3
650 - Management & auxiliary services
3
590 - Animals (Zoology)
2
160 - Logic
1
350 - Public administration & military science
1
360 - Social problems & services; associations
1
more ...