Classification
140 - Specific philosophical schools
3
610 - Medicine & health
3
620 - Engineering & allied operations
600 - Technology
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
170 - Ethics
1
340 - Law
1
370 - Education
1
380 - Commerce, communications & transportation
1
630 - Agriculture & related technologies
1
900 - History & geography
1