Classification
370 - Education
98
700 - The arts; fine & decorative arts
49
610 - Medicine & health
46
333 - Economics of land & energy
45
330 - Economics
25
600 - Technology
25
380 - Commerce, communications & transportation
23
363 - Other social problems & services
22
140 - Specific philosophical schools
20
900 - History & geography
20
100 - Philosophy & psychology
19
000 - Computer science, information & general works
17
320 - Political science
16
400 - Language
16
620 - Engineering & allied operations
15
300 - Social sciences
9
340 - Law
8
500 - Natural sciences & mathematics
8
551 - Geology, hydrology & meteorology
7
170 - Ethics
6
658 - General management
6
410 - Linguistics
5
576 - Genetics & evolution
5
580 - Plants (Botany)
5
630 - Agriculture & related technologies
5
780 - Music
5
200 - Religion
4
301 - Sociology & anthropology
4
304 - Factors affecting social behavior
4
530 - Physics
4
361 - Social problems & social welfare in general
3
581 - Specific topics in natural history
3
800 - Literature & rhetoric
3
296 - Judaism
2
297 - Islam, Babism & Bahai Faith
2
612 - Human physiology
2
120 - Epistemology, causation & humankind
1
350 - Public administration & military science
1
414 - Phonology & phonetics
1
520 - Astronomy & allied sciences
1
540 - Chemistry & allied sciences
1
615 - Pharmacology & therapeutics
1
657 - Accounting
1
720 - Architecture
1
770 - Photography, photographs & computer art
1
791 - Public performances
1