Classification
140 - Specific philosophical schools
340 - Law
700 - The arts; fine & decorative arts
900 - History & geography
100 - Philosophy & psychology
2
320 - Political science
2
200 - Religion
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
581 - Specific topics in natural history
1
610 - Medicine & health
1
800 - Literature & rhetoric
1