Classification
610 - Medicine & health
97
700 - The arts; fine & decorative arts
60
000 - Computer science, information & general works
42
600 - Technology
34
333 - Economics of land & energy
32
140 - Specific philosophical schools
30
370 - Education
29
380 - Commerce, communications & transportation
25
400 - Language
23
100 - Philosophy & psychology
21
363 - Other social problems & services
21
330 - Economics
20
580 - Plants (Botany)
19
620 - Engineering & allied operations
12
612 - Human physiology
11
900 - History & geography
11
410 - Linguistics
10
540 - Chemistry & allied sciences
10
320 - Political science
6
500 - Natural sciences & mathematics
6
800 - Literature & rhetoric
6
304 - Factors affecting social behavior
4
340 - Law
4
414 - Phonology & phonetics
3
581 - Specific topics in natural history
3
630 - Agriculture & related technologies
3
720 - Architecture
3
780 - Music
3
170 - Ethics
2
361 - Social problems & social welfare in general
2
371 - Schools & their activities; special education
2
551 - Geology, hydrology & meteorology
2
576 - Genetics & evolution
2
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
301 - Sociology & anthropology
1
346 - Private law
1
350 - Public administration & military science
1
360 - Social problems & services; associations
1
362 - Social welfare problems & services
1
364 - Criminology
1
378 - Higher education
1
401 - Philosophy & theory
1
418 - Standard usage & applied linguistics
1
520 - Astronomy & allied sciences
1
530 - Physics
1
616 - Diseases
1
618 - Gynecology, obstetrics, pediatrics & geriatrics
1
658 - General management
1