Classification
302 - Social interaction
305
658 - General management
281
300 - Social sciences
214
330 - Economics
185
331 - Labor economics
90
338 - Production
57
650 - Management & auxiliary services
44
670 - Manufacturing
40
500 - Natural sciences & mathematics
37
158 - Applied psychology
30
384 - Communications; telecommunication
28
153 - Mental processes & intelligence
18
380 - Commerce, communications & transportation
18
000 - Computer science, information & general works
17
001 - Knowledge
14
381 - Commerce
13
170 - Ethics
11
174 - Occupational ethics
6
005 - Computer programming, programs & data
5
303 - Social processes
5
659 - Advertising & public relations
5
150 - Psychology
4
332 - Financial economics
4
152 - Perception, movement, emotions & drives
3
304 - Factors affecting social behavior
3
306 - Culture & institutions
3
620 - Engineering & allied operations
3
745 - Decorative arts
3
140 - Specific philosophical schools
2
301 - Sociology & anthropology
2
305 - Social groups
2
362 - Social welfare problems & services
2
610 - Medicine & health
2
011 - Bibliographies
1
297 - Islam, Babism & Bahai Faith
1
352 - General considerations of public administration
1
355 - Military science
1
364 - Criminology
1
371 - Schools & their activities; special education
1
374 - Adult education
1
382 - International commerce
1
390 - Customs, etiquette & folklore
1
395 - Etiquette (Manners)
1
515 - Analysis
1
640 - Home & family management
1
651 - Office services
1
708 - Galleries, museums & private collections
1
940 - History of Europe
1
971 - Canada
1