Classification
700 - The arts; fine & decorative arts
600 - Technology
157
620 - Engineering & allied operations
110
000 - Computer science, information & general works
106
900 - History & geography
98
333 - Economics of land & energy
93
610 - Medicine & health
69
363 - Other social problems & services
43
380 - Commerce, communications & transportation
43
540 - Chemistry & allied sciences
36
530 - Physics
32
580 - Plants (Botany)
32
140 - Specific philosophical schools
27
330 - Economics
22
414 - Phonology & phonetics
21
576 - Genetics & evolution
21
500 - Natural sciences & mathematics
14
340 - Law
11
630 - Agriculture & related technologies
11
551 - Geology, hydrology & meteorology
8
800 - Literature & rhetoric
8
320 - Political science
7
720 - Architecture
6
770 - Photography, photographs & computer art
6
304 - Factors affecting social behavior
4
370 - Education
4
400 - Language
3
581 - Specific topics in natural history
3
650 - Management & auxiliary services
3
658 - General management
3
200 - Religion
2
520 - Astronomy & allied sciences
2
615 - Pharmacology & therapeutics
2
657 - Accounting
2
100 - Philosophy & psychology
1
300 - Social sciences
1
398 - Folklore
1
612 - Human physiology
1