Classification
900 - History & geography
24
300 - Social sciences
15
370 - Education
15
610 - Medicine & health
15
330 - Economics
14
320 - Political science
13
361 - Social problems & social welfare in general
10
700 - The arts; fine & decorative arts
10
360 - Social problems & services; associations
8
363 - Other social problems & services
8
304 - Factors affecting social behavior
5
657 - Accounting
5
100 - Philosophy & psychology
4
170 - Ethics
4
200 - Religion
4
301 - Sociology & anthropology
4
333 - Economics of land & energy
4
398 - Folklore
4
400 - Language
4
410 - Linguistics
4
600 - Technology
4
800 - Literature & rhetoric
4
000 - Computer science, information & general works
3
336 - Public finance
2
350 - Public administration & military science
2
027 - General libraries
1
364 - Criminology
1
380 - Commerce, communications & transportation
1
414 - Phonology & phonetics
1
577 - Ecology
1
620 - Engineering & allied operations
1
720 - Architecture
1
770 - Photography, photographs & computer art
1
778 - Fields & kinds of photography
1
894 - Altaic, Uralic, Hyperborean & Dravidian
1