Classification
301 - Sociology & anthropology
576 - Genetics & evolution
100 - Philosophy & psychology
13
300 - Social sciences
13
900 - History & geography
13
140 - Specific philosophical schools
11
700 - The arts; fine & decorative arts
7
600 - Technology
6
320 - Political science
5
581 - Specific topics in natural history
5
370 - Education
4
400 - Language
4
000 - Computer science, information & general works
3
330 - Economics
3
410 - Linguistics
3
620 - Engineering & allied operations
3
780 - Music
3
530 - Physics
2
170 - Ethics
1
200 - Religion
1
333 - Economics of land & energy
1
340 - Law
1
363 - Other social problems & services
1
414 - Phonology & phonetics
1
540 - Chemistry & allied sciences
1
610 - Medicine & health
1
612 - Human physiology
1
770 - Photography, photographs & computer art
1