Classification
000 - Computer science, information & general works
7
380 - Commerce, communications & transportation
530 - Physics
576 - Genetics & evolution
700 - The arts; fine & decorative arts
5
333 - Economics of land & energy
4
363 - Other social problems & services
3
600 - Technology
3
340 - Law
2
900 - History & geography
2
100 - Philosophy & psychology
1
200 - Religion
1
296 - Judaism
1
320 - Political science
1
330 - Economics
1
400 - Language
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
580 - Plants (Botany)
1
650 - Management & auxiliary services
1
658 - General management
1