Classification
005 - Computer programming, programs & data
799
500 - Natural sciences & mathematics
256
331 - Labor economics
197
000 - Computer science, information & general works
132
620 - Engineering & allied operations
126
745 - Decorative arts
53
006 - Special computer methods
43
794 - Indoor games of skill
31
384 - Communications; telecommunication
29
004 - Data processing & computer science
25
629 - Other branches of engineering
17
332 - Financial economics
16
658 - General management
16
330 - Economics
14
302 - Social interaction
9
600 - Technology
8
510 - Mathematics
7
374 - Adult education
5
519 - Probabilities & applied mathematics
5
621 - Applied physics
5
001 - Knowledge
4
011 - Bibliographies
3
338 - Production
2
781 - General principles & musical forms
2
025 - Library operations
1
040 - [Unassigned]
1
155 - Differential & developmental psychology
1
511 - General principles of mathematics
1
612 - Human physiology
1
640 - Home & family management
1
651 - Office services
1
670 - Manufacturing
1
770 - Photography, photographs & computer art
1
786 - Keyboard & other instruments
1
907 - Education, research & related topics
1
910 - Geography & travel
1
917 - Geography of & travel in North America
1