Classification
610 - Medicine & health
700 - The arts; fine & decorative arts
82
000 - Computer science, information & general works
58
140 - Specific philosophical schools
43
363 - Other social problems & services
43
330 - Economics
42
333 - Economics of land & energy
38
580 - Plants (Botany)
30
600 - Technology
29
380 - Commerce, communications & transportation
27
370 - Education
23
320 - Political science
19
900 - History & geography
15
551 - Geology, hydrology & meteorology
14
620 - Engineering & allied operations
14
576 - Genetics & evolution
13
658 - General management
12
306 - Culture & institutions
11
304 - Factors affecting social behavior
10
630 - Agriculture & related technologies
9
100 - Philosophy & psychology
8
300 - Social sciences
8
361 - Social problems & social welfare in general
8
581 - Specific topics in natural history
8
170 - Ethics
7
340 - Law
7
612 - Human physiology
7
500 - Natural sciences & mathematics
6
414 - Phonology & phonetics
5
540 - Chemistry & allied sciences
5
800 - Literature & rhetoric
5
615 - Pharmacology & therapeutics
3
720 - Architecture
3
301 - Sociology & anthropology
2
372 - Elementary education
2
400 - Language
2
613 - Personal health & safety
2
200 - Religion
1
305 - Social groups
1
350 - Public administration & military science
1
364 - Criminology
1
410 - Linguistics
1
520 - Astronomy & allied sciences
1
530 - Physics
1
550 - Earth sciences
1
614 - Incidence & prevention of disease
1
618 - Gynecology, obstetrics, pediatrics & geriatrics
1