Classification
610 - Medicine & health
13
380 - Commerce, communications & transportation
4
700 - The arts; fine & decorative arts
3
370 - Education
2
600 - Technology
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
170 - Ethics
1
320 - Political science
1
330 - Economics
1
340 - Law
1
616 - Diseases
1
620 - Engineering & allied operations
1