Classification
410 - Linguistics
600 - Technology
000 - Computer science, information & general works
7
700 - The arts; fine & decorative arts
6
900 - History & geography
6
400 - Language
5
140 - Specific philosophical schools
4
370 - Education
4
340 - Law
3
363 - Other social problems & services
3
380 - Commerce, communications & transportation
3
620 - Engineering & allied operations
3
330 - Economics
2
333 - Economics of land & energy
2
500 - Natural sciences & mathematics
2
576 - Genetics & evolution
2
610 - Medicine & health
2
658 - General management
2
800 - Literature & rhetoric
2
160 - Logic
1
398 - Folklore
1
530 - Physics
1