Classification
610 - Medicine & health
383
330 - Economics
74
700 - The arts; fine & decorative arts
28
140 - Specific philosophical schools
11
580 - Plants (Botany)
7
100 - Philosophy & psychology
6
363 - Other social problems & services
5
200 - Religion
2
620 - Engineering & allied operations
2
380 - Commerce, communications & transportation
1
900 - History & geography
1