Classification
400 - Language
620 - Engineering & allied operations
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
170 - Ethics
1
200 - Religion
1
320 - Political science
1
330 - Economics
1
363 - Other social problems & services
1
410 - Linguistics
1
530 - Physics
1
600 - Technology
1
700 - The arts; fine & decorative arts
1