Classification
410 - Linguistics
600 - Technology
000 - Computer science, information & general works
5
900 - History & geography
3
363 - Other social problems & services
2
400 - Language
2
540 - Chemistry & allied sciences
2
620 - Engineering & allied operations
2
700 - The arts; fine & decorative arts
2
800 - Literature & rhetoric
2
140 - Specific philosophical schools
1