Classification
200 - Religion
610 - Medicine & health
900 - History & geography
22
100 - Philosophy & psychology
19
320 - Political science
16
301 - Sociology & anthropology
15
330 - Economics
14
170 - Ethics
13
700 - The arts; fine & decorative arts
13
333 - Economics of land & energy
11
140 - Specific philosophical schools
10
340 - Law
10
300 - Social sciences
8
370 - Education
8
000 - Computer science, information & general works
7
363 - Other social problems & services
5
581 - Specific topics in natural history
5
600 - Technology
5
304 - Factors affecting social behavior
4
297 - Islam, Babism & Bahai Faith
3
361 - Social problems & social welfare in general
3
380 - Commerce, communications & transportation
3
551 - Geology, hydrology & meteorology
3
232 - Jesus Christ & his family
2
296 - Judaism
2
400 - Language
2
658 - General management
2
780 - Music
2
800 - Literature & rhetoric
2
174 - Occupational ethics
1
230 - Christianity & Christian theology
1
241 - Christian ethics
1
360 - Social problems & services; associations
1
362 - Social welfare problems & services
1
398 - Folklore
1
410 - Linguistics
1
530 - Physics
1
616 - Diseases
1
618 - Gynecology, obstetrics, pediatrics & geriatrics
1
920 - Biography, genealogy & insignia
1