Classification
610 - Medicine & health
117
330 - Economics
10
700 - The arts; fine & decorative arts
4
370 - Education
3
380 - Commerce, communications & transportation
3
576 - Genetics & evolution
3
100 - Philosophy & psychology
2
170 - Ethics
2
600 - Technology
2
618 - Gynecology, obstetrics, pediatrics & geriatrics
2
000 - Computer science, information & general works
1
361 - Social problems & social welfare in general
1
400 - Language
1
500 - Natural sciences & mathematics
1
540 - Chemistry & allied sciences
1
900 - History & geography
1