Classification
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
200 - Religion
2
300 - Social sciences
1
320 - Political science
3
330 - Economics
333 - Economics of land & energy
3
340 - Law
363 - Other social problems & services
2
370 - Education
2
380 - Commerce, communications & transportation
1
400 - Language
1
410 - Linguistics
600 - Technology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
658 - General management
2
700 - The arts; fine & decorative arts
770 - Photography, photographs & computer art
1
900 - History & geography
3