Classification
340 - Law
900 - History & geography
600 - Technology
41
620 - Engineering & allied operations
40
700 - The arts; fine & decorative arts
37
320 - Political science
32
333 - Economics of land & energy
23
400 - Language
18
140 - Specific philosophical schools
17
330 - Economics
17
100 - Philosophy & psychology
15
300 - Social sciences
15
000 - Computer science, information & general works
13
363 - Other social problems & services
13
200 - Religion
11
800 - Literature & rhetoric
11
380 - Commerce, communications & transportation
10
576 - Genetics & evolution
10
301 - Sociology & anthropology
7
580 - Plants (Botany)
7
170 - Ethics
6
500 - Natural sciences & mathematics
6
530 - Physics
6
551 - Geology, hydrology & meteorology
6
720 - Architecture
6
297 - Islam, Babism & Bahai Faith
5
410 - Linguistics
5
610 - Medicine & health
5
304 - Factors affecting social behavior
4
414 - Phonology & phonetics
4
630 - Agriculture & related technologies
4
370 - Education
3
296 - Judaism
2
361 - Social problems & social welfare in general
2
364 - Criminology
2
398 - Folklore
2
581 - Specific topics in natural history
2
658 - General management
2
336 - Public finance
1
350 - Public administration & military science
1
360 - Social problems & services; associations
1
590 - Animals (Zoology)
1
657 - Accounting
1
770 - Photography, photographs & computer art
1