Classification
610 - Medicine & health
115
330 - Economics
18
100 - Philosophy & psychology
15
320 - Political science
15
700 - The arts; fine & decorative arts
13
900 - History & geography
9
362 - Social welfare problems & services
8
363 - Other social problems & services
7
355 - Military science
6
000 - Computer science, information & general works
4
140 - Specific philosophical schools
4
340 - Law
4
350 - Public administration & military science
3
616 - Diseases
3
301 - Sociology & anthropology
2
305 - Social groups
2
331 - Labor economics
2
333 - Economics of land & energy
2
361 - Social problems & social welfare in general
2
800 - Literature & rhetoric
2
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
303 - Social processes
1
327 - International relations
1
352 - General considerations of public administration
1
353 - Specific fields of public administration
1
370 - Education
1
380 - Commerce, communications & transportation
1
400 - Language
1
500 - Natural sciences & mathematics
1
581 - Specific topics in natural history
1
650 - Management & auxiliary services
1
658 - General management
1
720 - Architecture
1
940 - History of Europe
1
956 - Middle East (Near East)
1
959 - Southeast Asia
1