Classification
200 - Religion
320 - Political science
2
333 - Economics of land & energy
2
363 - Other social problems & services
2
610 - Medicine & health
700 - The arts; fine & decorative arts
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
170 - Ethics
1
330 - Economics
1
340 - Law
1
370 - Education
1
380 - Commerce, communications & transportation
1
410 - Linguistics
1
551 - Geology, hydrology & meteorology
1