Classification
001 - Knowledge
3
004 - Data processing & computer science
3
005 - Computer programming, programs & data
3
006 - Special computer methods
1
020 - Library & information sciences
3
150 - Psychology
2
152 - Perception, movement, emotions & drives
1
153 - Mental processes & intelligence
35
155 - Differential & developmental psychology
3
158 - Applied psychology
85
300 - Social sciences
104
302 - Social interaction
102
303 - Social processes
1
305 - Social groups
1
330 - Economics
129
331 - Labor economics
24
338 - Production
30
380 - Commerce, communications & transportation
2
381 - Commerce
18
384 - Communications; telecommunication
6
500 - Natural sciences & mathematics
510 - Mathematics
1
610 - Medicine & health
1
620 - Engineering & allied operations
8
629 - Other branches of engineering
1
650 - Management & auxiliary services
651 - Office services
1
658 - General management
128
670 - Manufacturing
94
741 - Drawing & drawings
1
745 - Decorative arts
2