Classification
005 - Computer programming, programs & data
1,223
500 - Natural sciences & mathematics
305
000 - Computer science, information & general works
181
620 - Engineering & allied operations
166
331 - Labor economics
101
006 - Special computer methods
77
004 - Data processing & computer science
63
658 - General management
60
745 - Decorative arts
49
384 - Communications; telecommunication
47
374 - Adult education
40
330 - Economics
19
794 - Indoor games of skill
18
338 - Production
6
302 - Social interaction
5
600 - Technology
5
001 - Knowledge
4
381 - Commerce
3
510 - Mathematics
3
380 - Commerce, communications & transportation
2
051 - Serials in American English
1
153 - Mental processes & intelligence
1
158 - Applied psychology
1
332 - Financial economics
1
518 - Numerical analysis
1
519 - Probabilities & applied mathematics
1
555 - Earth sciences of Asia
1
629 - Other branches of engineering
1
641 - Food & drink
1
650 - Management & auxiliary services
1
659 - Advertising & public relations
1
741 - Drawing & drawings
1
910 - Geography & travel
1