Classification
700 - The arts; fine & decorative arts
610 - Medicine & health
82
000 - Computer science, information & general works
64
333 - Economics of land & energy
57
330 - Economics
51
363 - Other social problems & services
43
600 - Technology
43
140 - Specific philosophical schools
38
900 - History & geography
37
380 - Commerce, communications & transportation
31
620 - Engineering & allied operations
31
320 - Political science
30
580 - Plants (Botany)
28
576 - Genetics & evolution
22
551 - Geology, hydrology & meteorology
19
370 - Education
17
581 - Specific topics in natural history
16
630 - Agriculture & related technologies
13
340 - Law
12
500 - Natural sciences & mathematics
12
658 - General management
12
414 - Phonology & phonetics
10
300 - Social sciences
9
100 - Philosophy & psychology
8
304 - Factors affecting social behavior
7
720 - Architecture
7
170 - Ethics
6
301 - Sociology & anthropology
6
540 - Chemistry & allied sciences
6
400 - Language
5
612 - Human physiology
5
361 - Social problems & social welfare in general
4
800 - Literature & rhetoric
4
530 - Physics
3
120 - Epistemology, causation & humankind
2
200 - Religion
2
306 - Culture & institutions
2
338 - Production
1
350 - Public administration & military science
1
410 - Linguistics
1
520 - Astronomy & allied sciences
1
615 - Pharmacology & therapeutics
1
657 - Accounting
1
770 - Photography, photographs & computer art
1