Classification
140 - Specific philosophical schools
340 - Law
320 - Political science
100
700 - The arts; fine & decorative arts
64
900 - History & geography
61
300 - Social sciences
47
170 - Ethics
46
330 - Economics
46
100 - Philosophy & psychology
45
610 - Medicine & health
35
363 - Other social problems & services
34
333 - Economics of land & energy
32
200 - Religion
31
370 - Education
29
600 - Technology
27
380 - Commerce, communications & transportation
25
304 - Factors affecting social behavior
24
000 - Computer science, information & general works
22
620 - Engineering & allied operations
19
576 - Genetics & evolution
18
800 - Literature & rhetoric
16
301 - Sociology & anthropology
15
400 - Language
12
720 - Architecture
12
410 - Linguistics
11
580 - Plants (Botany)
9
530 - Physics
8
551 - Geology, hydrology & meteorology
8
500 - Natural sciences & mathematics
7
297 - Islam, Babism & Bahai Faith
6
361 - Social problems & social welfare in general
6
364 - Criminology
6
630 - Agriculture & related technologies
6
120 - Epistemology, causation & humankind
5
581 - Specific topics in natural history
5
174 - Occupational ethics
2
350 - Public administration & military science
2
540 - Chemistry & allied sciences
2
612 - Human physiology
2
241 - Christian ethics
1
344 - Labor, social, education & cultural law
1
346 - Private law
1
360 - Social problems & services; associations
1
414 - Phonology & phonetics
1
618 - Gynecology, obstetrics, pediatrics & geriatrics
1
658 - General management
1
770 - Photography, photographs & computer art
1
780 - Music
1
833 - German fiction
1