Classification
610 - Medicine & health
60
700 - The arts; fine & decorative arts
56
333 - Economics of land & energy
51
370 - Education
48
100 - Philosophy & psychology
38
140 - Specific philosophical schools
24
000 - Computer science, information & general works
22
900 - History & geography
20
330 - Economics
19
380 - Commerce, communications & transportation
19
600 - Technology
18
363 - Other social problems & services
16
300 - Social sciences
14
320 - Political science
13
304 - Factors affecting social behavior
12
400 - Language
10
340 - Law
9
301 - Sociology & anthropology
8
361 - Social problems & social welfare in general
8
500 - Natural sciences & mathematics
8
410 - Linguistics
7
576 - Genetics & evolution
7
170 - Ethics
6
620 - Engineering & allied operations
6
658 - General management
6
200 - Religion
5
580 - Plants (Botany)
5
612 - Human physiology
5
581 - Specific topics in natural history
4
800 - Literature & rhetoric
4
297 - Islam, Babism & Bahai Faith
3
540 - Chemistry & allied sciences
3
720 - Architecture
3
360 - Social problems & services; associations
2
657 - Accounting
2
780 - Music
2
920 - Biography, genealogy & insignia
2
120 - Epistemology, causation & humankind
1
350 - Public administration & military science
1
364 - Criminology
1
520 - Astronomy & allied sciences
1
550 - Earth sciences
1
551 - Geology, hydrology & meteorology
1
630 - Agriculture & related technologies
1
650 - Management & auxiliary services
1