Classification
140 - Specific philosophical schools
900 - History & geography
19
610 - Medicine & health
8
100 - Philosophy & psychology
7
300 - Social sciences
5
600 - Technology
4
170 - Ethics
3
800 - Literature & rhetoric
3
000 - Computer science, information & general works
2
120 - Epistemology, causation & humankind
2
200 - Religion
2
363 - Other social problems & services
2
370 - Education
2
380 - Commerce, communications & transportation
2
700 - The arts; fine & decorative arts
2
160 - Logic
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
320 - Political science
1
330 - Economics
1
340 - Law
1
520 - Astronomy & allied sciences
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
720 - Architecture
1
770 - Photography, photographs & computer art
1