Classification
340 - Law
700 - The arts; fine & decorative arts
320 - Political science
152
330 - Economics
140
600 - Technology
82
900 - History & geography
75
333 - Economics of land & energy
73
000 - Computer science, information & general works
61
620 - Engineering & allied operations
54
140 - Specific philosophical schools
47
363 - Other social problems & services
46
380 - Commerce, communications & transportation
36
610 - Medicine & health
31
500 - Natural sciences & mathematics
28
576 - Genetics & evolution
27
170 - Ethics
21
530 - Physics
20
100 - Philosophy & psychology
18
300 - Social sciences
18
370 - Education
17
580 - Plants (Botany)
17
551 - Geology, hydrology & meteorology
15
630 - Agriculture & related technologies
13
720 - Architecture
13
800 - Literature & rhetoric
12
400 - Language
10
200 - Religion
9
304 - Factors affecting social behavior
9
658 - General management
9
410 - Linguistics
8
414 - Phonology & phonetics
7
581 - Specific topics in natural history
7
301 - Sociology & anthropology
6
120 - Epistemology, causation & humankind
4
297 - Islam, Babism & Bahai Faith
4
540 - Chemistry & allied sciences
4
770 - Photography, photographs & computer art
3
791 - Public performances
3
350 - Public administration & military science
2
361 - Social problems & social welfare in general
2
364 - Criminology
2
612 - Human physiology
2
780 - Music
2
160 - Logic
1
337 - International economics
1
398 - Folklore
1
590 - Animals (Zoology)
1
940 - History of Europe
1