Classification
140 - Specific philosophical schools
610 - Medicine & health
5
700 - The arts; fine & decorative arts
5
600 - Technology
4
620 - Engineering & allied operations
4
000 - Computer science, information & general works
3
333 - Economics of land & energy
2
410 - Linguistics
2
500 - Natural sciences & mathematics
2
900 - History & geography
2
330 - Economics
1
370 - Education
1
380 - Commerce, communications & transportation
1
400 - Language
1