Classification
330 - Economics
658 - General management
7
600 - Technology
6
700 - The arts; fine & decorative arts
6
320 - Political science
5
900 - History & geography
5
000 - Computer science, information & general works
4
140 - Specific philosophical schools
3
200 - Religion
3
300 - Social sciences
3
333 - Economics of land & energy
3
610 - Medicine & health
3
620 - Engineering & allied operations
3
100 - Philosophy & psychology
2
363 - Other social problems & services
2
370 - Education
2
380 - Commerce, communications & transportation
2
576 - Genetics & evolution
2
158 - Applied psychology
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
331 - Labor economics
1
338 - Production
1
400 - Language
1
500 - Natural sciences & mathematics
1
530 - Physics
1
540 - Chemistry & allied sciences
1
580 - Plants (Botany)
1
650 - Management & auxiliary services
1
745 - Decorative arts
1
746 - Textile arts
1