Classification
340 - Law
410 - Linguistics
610 - Medicine & health
363 - Other social problems & services
2
400 - Language
2
000 - Computer science, information & general works
1
200 - Religion
1
320 - Political science
1
330 - Economics
1
333 - Economics of land & energy
1
380 - Commerce, communications & transportation
1
600 - Technology
1
620 - Engineering & allied operations
1
700 - The arts; fine & decorative arts
1
900 - History & geography
1