Classification
000 - Computer science, information & general works
5
006 - Special computer methods
3
100 - Philosophy & psychology
3
131 - Parapsychological & occult methods
1
140 - Specific philosophical schools
3
160 - Logic
4
174 - Occupational ethics
1
200 - Religion
1
297 - Islam, Babism & Bahai Faith
2
300 - Social sciences
31
302 - Social interaction
5
303 - Social processes
1
304 - Factors affecting social behavior
3
320 - Political science
55
330 - Economics
337
331 - Labor economics
40
332 - Financial economics
4
333 - Economics of land & energy
16
335 - Socialism & related systems
1
338 - Production
8
339 - Macroeconomics & related topics
6
340 - Law
20
344 - Labor, social, education & cultural law
2
350 - Public administration & military science
1
360 - Social problems & services; associations
2
361 - Social problems & social welfare in general
9
362 - Social welfare problems & services
4
363 - Other social problems & services
5
366 - Associations
1
368 - Insurance
2
370 - Education
7
371 - Schools & their activities; special education
1
372 - Elementary education
1
380 - Commerce, communications & transportation
6
381 - Commerce
1
384 - Communications; telecommunication
1
400 - Language
1
410 - Linguistics
1
500 - Natural sciences & mathematics
6
600 - Technology
5
610 - Medicine & health
6
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
1
650 - Management & auxiliary services
8
658 - General management
19
670 - Manufacturing
1
700 - The arts; fine & decorative arts
11
900 - History & geography
8