Classification
610 - Medicine & health
49
616 - Diseases
34
700 - The arts; fine & decorative arts
10
618 - Gynecology, obstetrics, pediatrics & geriatrics
7
370 - Education
6
617 - Surgery & related medical specialties
6
170 - Ethics
5
570 - Life sciences; biology
5
330 - Economics
4
380 - Commerce, communications & transportation
4
333 - Economics of land & energy
3
340 - Law
3
000 - Computer science, information & general works
2
100 - Philosophy & psychology
2
140 - Specific philosophical schools
2
200 - Religion
2
300 - Social sciences
2
306 - Culture & institutions
2
600 - Technology
2
613 - Personal health & safety
2
614 - Incidence & prevention of disease
2
615 - Pharmacology & therapeutics
2
900 - History & geography
2
150 - Psychology
1
160 - Logic
1
174 - Occupational ethics
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
305 - Social groups
1
344 - Labor, social, education & cultural law
1
363 - Other social problems & services
1
364 - Criminology
1
540 - Chemistry & allied sciences
1
580 - Plants (Botany)
1
612 - Human physiology
1
720 - Architecture
1
780 - Music
1