Classification
304 - Factors affecting social behavior
000 - Computer science, information & general works
67
700 - The arts; fine & decorative arts
60
300 - Social sciences
59
900 - History & geography
51
333 - Economics of land & energy
39
600 - Technology
37
320 - Political science
35
363 - Other social problems & services
35
330 - Economics
33
610 - Medicine & health
29
620 - Engineering & allied operations
27
140 - Specific philosophical schools
26
380 - Commerce, communications & transportation
24
576 - Genetics & evolution
20
800 - Literature & rhetoric
19
580 - Plants (Botany)
17
414 - Phonology & phonetics
16
540 - Chemistry & allied sciences
16
551 - Geology, hydrology & meteorology
16
340 - Law
14
370 - Education
14
301 - Sociology & anthropology
13
500 - Natural sciences & mathematics
12
200 - Religion
10
581 - Specific topics in natural history
10
630 - Agriculture & related technologies
9
530 - Physics
8
361 - Social problems & social welfare in general
6
400 - Language
6
100 - Philosophy & psychology
4
297 - Islam, Babism & Bahai Faith
4
780 - Music
4
170 - Ethics
2
410 - Linguistics
2
720 - Architecture
2
120 - Epistemology, causation & humankind
1
350 - Public administration & military science
1
364 - Criminology
1
398 - Folklore
1
520 - Astronomy & allied sciences
1
550 - Earth sciences
1
615 - Pharmacology & therapeutics
1
658 - General management
1