Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
400 - Language
600 - Technology
2
620 - Engineering & allied operations
2
900 - History & geography
2
330 - Economics
1
340 - Law
1
370 - Education
1
576 - Genetics & evolution
1
700 - The arts; fine & decorative arts
1
720 - Architecture
1