Classification
300 - Social sciences
370 - Education
700 - The arts; fine & decorative arts
3
720 - Architecture
301 - Sociology & anthropology
2
330 - Economics
2
620 - Engineering & allied operations
2
900 - History & geography
2
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
320 - Political science
1
340 - Law
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
500 - Natural sciences & mathematics
1
530 - Physics
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
600 - Technology
1
610 - Medicine & health
1
658 - General management
1
800 - Literature & rhetoric
1