Classification
658 - General management
114
331 - Labor economics
69
650 - Management & auxiliary services
62
330 - Economics
58
500 - Natural sciences & mathematics
14
300 - Social sciences
12
302 - Social interaction
12
000 - Computer science, information & general works
8
158 - Applied psychology
7
005 - Computer programming, programs & data
5
381 - Commerce
5
153 - Mental processes & intelligence
4
338 - Production
4
370 - Education
4
006 - Special computer methods
3
332 - Financial economics
3
374 - Adult education
3
384 - Communications; telecommunication
3
004 - Data processing & computer science
2
380 - Commerce, communications & transportation
2
600 - Technology
2
020 - Library & information sciences
1
131 - Parapsychological & occult methods
1
150 - Psychology
1
303 - Social processes
1
305 - Social groups
1
306 - Culture & institutions
1
320 - Political science
1
337 - International economics
1
339 - Macroeconomics & related topics
1
351 - Public administration
1
364 - Criminology
1
366 - Associations
1
371 - Schools & their activities; special education
1
378 - Higher education
1
510 - Mathematics
1
610 - Medicine & health
1
615 - Pharmacology & therapeutics
1
616 - Diseases
1
620 - Engineering & allied operations
1
670 - Manufacturing
1
700 - The arts; fine & decorative arts
1
745 - Decorative arts
1
808 - Rhetoric & collections of literature
1