Classification
004 - Data processing & computer science
331 - Labor economics
434
500 - Natural sciences & mathematics
346
374 - Adult education
327
005 - Computer programming, programs & data
202
621 - Applied physics
146
658 - General management
146
384 - Communications; telecommunication
131
620 - Engineering & allied operations
97
745 - Decorative arts
67
330 - Economics
54
006 - Special computer methods
18
338 - Production
17
381 - Commerce
16
300 - Social sciences
13
302 - Social interaction
12
510 - Mathematics
10
011 - Bibliographies
9
380 - Commerce, communications & transportation
7
332 - Financial economics
6
600 - Technology
6
808 - Rhetoric & collections of literature
4
650 - Management & auxiliary services
3
158 - Applied psychology
2
519 - Probabilities & applied mathematics
2
001 - Knowledge
1
153 - Mental processes & intelligence
1
602 - Miscellany
1
629 - Other branches of engineering
1
670 - Manufacturing
1
740 - Drawing & decorative arts
1
794 - Indoor games of skill
1
800 - Literature & rhetoric
1