Classification
100 - Philosophy & psychology
4
400 - Language
4
410 - Linguistics
530 - Physics
200 - Religion
2
000 - Computer science, information & general works
1
120 - Epistemology, causation & humankind
1
170 - Ethics
1
296 - Judaism
1
320 - Political science
1
333 - Economics of land & energy
1
370 - Education
1
380 - Commerce, communications & transportation
1
576 - Genetics & evolution
1
600 - Technology
1
620 - Engineering & allied operations
1