Classification
410 - Linguistics
400 - Language
13
000 - Computer science, information & general works
12
600 - Technology
12
700 - The arts; fine & decorative arts
10
140 - Specific philosophical schools
9
900 - History & geography
8
330 - Economics
6
333 - Economics of land & energy
6
363 - Other social problems & services
6
610 - Medicine & health
6
620 - Engineering & allied operations
5
370 - Education
4
380 - Commerce, communications & transportation
4
500 - Natural sciences & mathematics
4
658 - General management
4
100 - Philosophy & psychology
3
340 - Law
3
160 - Logic
2
576 - Genetics & evolution
2
800 - Literature & rhetoric
2
170 - Ethics
1
200 - Religion
1
300 - Social sciences
1
320 - Political science
1
331 - Labor economics
1
414 - Phonology & phonetics
1
770 - Photography, photographs & computer art
1