Classification
000 - Computer science, information & general works
7
001 - Knowledge
3
004 - Data processing & computer science
2
005 - Computer programming, programs & data
1
006 - Special computer methods
1
153 - Mental processes & intelligence
4
158 - Applied psychology
3
300 - Social sciences
38
302 - Social interaction
38
330 - Economics
48
331 - Labor economics
9
338 - Production
12
371 - Schools & their activities; special education
1
374 - Adult education
1
381 - Commerce
31
384 - Communications; telecommunication
1
500 - Natural sciences & mathematics
37
519 - Probabilities & applied mathematics
1
604 - Special topics
1
620 - Engineering & allied operations
32
621 - Applied physics
2
624 - Civil engineering
1
629 - Other branches of engineering
2
650 - Management & auxiliary services
3
658 - General management
659 - Advertising & public relations
1
664 - Food technology
1
670 - Manufacturing
33
677 - Textiles
1
688 - Other final products & packaging
1
740 - Drawing & decorative arts
4
741 - Drawing & drawings
9
745 - Decorative arts
746 - Textile arts
1
781 - General principles & musical forms
2