Classification
530 - Physics
600 - Technology
900 - History & geography
620 - Engineering & allied operations
11
700 - The arts; fine & decorative arts
9
333 - Economics of land & energy
8
000 - Computer science, information & general works
5
380 - Commerce, communications & transportation
3
610 - Medicine & health
3
140 - Specific philosophical schools
2
340 - Law
2
363 - Other social problems & services
2
551 - Geology, hydrology & meteorology
2
576 - Genetics & evolution
2
800 - Literature & rhetoric
2
100 - Philosophy & psychology
1
300 - Social sciences
1
320 - Political science
1
330 - Economics
1
370 - Education
1
410 - Linguistics
1
580 - Plants (Botany)
1
630 - Agriculture & related technologies
1
650 - Management & auxiliary services
1
720 - Architecture
1
770 - Photography, photographs & computer art
1
780 - Music
1