Classification
000 - Computer science, information & general works
400 - Language
700 - The arts; fine & decorative arts
11
410 - Linguistics
6
380 - Commerce, communications & transportation
3
620 - Engineering & allied operations
3
720 - Architecture
3
900 - History & geography
3
320 - Political science
2
500 - Natural sciences & mathematics
2
600 - Technology
2
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
333 - Economics of land & energy
1
370 - Education
1
800 - Literature & rhetoric
1