Classification
000 - Computer science, information & general works
1
140 - Specific philosophical schools
2
153 - Mental processes & intelligence
1
170 - Ethics
2
200 - Religion
1
300 - Social sciences
301 - Sociology & anthropology
1
302 - Social interaction
2
320 - Political science
2
330 - Economics
7
333 - Economics of land & energy
4
340 - Law
4
361 - Social problems & social welfare in general
1
363 - Other social problems & services
3
370 - Education
4
380 - Commerce, communications & transportation
381 - Commerce
1
384 - Communications; telecommunication
3
400 - Language
3
410 - Linguistics
1
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
2
576 - Genetics & evolution
2
580 - Plants (Botany)
2
600 - Technology
3
610 - Medicine & health
2
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
3
650 - Management & auxiliary services
1
657 - Accounting
1
658 - General management
4
670 - Manufacturing
2
700 - The arts; fine & decorative arts
4
720 - Architecture
2
791 - Public performances
1
800 - Literature & rhetoric
2
900 - History & geography
3