Classification
610 - Medicine & health
700 - The arts; fine & decorative arts
87
333 - Economics of land & energy
82
370 - Education
65
000 - Computer science, information & general works
54
140 - Specific philosophical schools
53
363 - Other social problems & services
48
600 - Technology
44
380 - Commerce, communications & transportation
26
330 - Economics
25
900 - History & geography
24
580 - Plants (Botany)
22
100 - Philosophy & psychology
21
300 - Social sciences
17
320 - Political science
16
620 - Engineering & allied operations
16
500 - Natural sciences & mathematics
12
612 - Human physiology
11
615 - Pharmacology & therapeutics
10
170 - Ethics
9
576 - Genetics & evolution
9
301 - Sociology & anthropology
8
400 - Language
8
200 - Religion
7
340 - Law
7
658 - General management
7
304 - Factors affecting social behavior
6
540 - Chemistry & allied sciences
6
551 - Geology, hydrology & meteorology
6
361 - Social problems & social welfare in general
5
630 - Agriculture & related technologies
5
360 - Social problems & services; associations
4
410 - Linguistics
4
530 - Physics
4
581 - Specific topics in natural history
4
720 - Architecture
4
800 - Literature & rhetoric
4
780 - Music
3
364 - Criminology
2
414 - Phonology & phonetics
2
160 - Logic
1
296 - Judaism
1
297 - Islam, Babism & Bahai Faith
1
350 - Public administration & military science
1
398 - Folklore
1
520 - Astronomy & allied sciences
1
770 - Photography, photographs & computer art
1