Classification
610 - Medicine & health
1,048
500 - Natural sciences & mathematics
996
700 - The arts; fine & decorative arts
398
100 - Philosophy & psychology
337
333 - Economics of land & energy
322
600 - Technology
306
000 - Computer science, information & general works
301
576 - Genetics & evolution
280
580 - Plants (Botany)
257
612 - Human physiology
256
620 - Engineering & allied operations
233
900 - History & geography
232
363 - Other social problems & services
204
581 - Specific topics in natural history
196
380 - Commerce, communications & transportation
192
140 - Specific philosophical schools
140
330 - Economics
135
551 - Geology, hydrology & meteorology
113
615 - Pharmacology & therapeutics
98
320 - Political science
86
400 - Language
84
540 - Chemistry & allied sciences
79
370 - Education
77
800 - Literature & rhetoric
67
300 - Social sciences
65
340 - Law
52
530 - Physics
42
414 - Phonology & phonetics
37
630 - Agriculture & related technologies
35
410 - Linguistics
33
658 - General management
31
780 - Music
31
720 - Architecture
28
304 - Factors affecting social behavior
25
170 - Ethics
23
200 - Religion
19
301 - Sociology & anthropology
18
361 - Social problems & social welfare in general
11
520 - Astronomy & allied sciences
8
297 - Islam, Babism & Bahai Faith
7
120 - Epistemology, causation & humankind
6
791 - Public performances
5
398 - Folklore
4
770 - Photography, photographs & computer art
4
350 - Public administration & military science
3
160 - Logic
2
336 - Public finance
1
550 - Earth sciences
1
590 - Animals (Zoology)
1
920 - Biography, genealogy & insignia
1