Classification
610 - Medicine & health
153
362 - Social welfare problems & services
35
330 - Economics
25
300 - Social sciences
13
570 - Life sciences; biology
12
658 - General management
10
700 - The arts; fine & decorative arts
10
338 - Production
8
500 - Natural sciences & mathematics
8
000 - Computer science, information & general works
6
370 - Education
5
380 - Commerce, communications & transportation
5
170 - Ethics
4
600 - Technology
3
001 - Knowledge
2
363 - Other social problems & services
2
381 - Commerce
2
384 - Communications; telecommunication
2
510 - Mathematics
2
519 - Probabilities & applied mathematics
2
613 - Personal health & safety
2
616 - Diseases
2
900 - History & geography
2
025 - Library operations
1
100 - Philosophy & psychology
1
302 - Social interaction
1
331 - Labor economics
1
332 - Financial economics
1
365 - Penal & related institutions
1
400 - Language
1
576 - Genetics & evolution
1
582 - Plants noted for characteristics & flowers
1
612 - Human physiology
1
614 - Incidence & prevention of disease
1
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
1
628 - Sanitary & municipal engineering
1
651 - Office services
1