Classification
000 - Computer science, information & general works
1
140 - Specific philosophical schools
2
300 - Social sciences
6
320 - Political science
330 - Economics
35
333 - Economics of land & energy
2
340 - Law
7
363 - Other social problems & services
2
370 - Education
1
380 - Commerce, communications & transportation
2
414 - Phonology & phonetics
1
551 - Geology, hydrology & meteorology
1
581 - Specific topics in natural history
1
600 - Technology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
2
657 - Accounting
2
658 - General management
1
700 - The arts; fine & decorative arts
4
800 - Literature & rhetoric
1
900 - History & geography