Classification
001 - Knowledge
3
005 - Computer programming, programs & data
1
006 - Special computer methods
2
011 - Bibliographies
3
025 - Library operations
300 - Social sciences
7
302 - Social interaction
6
330 - Economics
9
331 - Labor economics
22
338 - Production
10
364 - Criminology
1
381 - Commerce
19
384 - Communications; telecommunication
6
500 - Natural sciences & mathematics
81
519 - Probabilities & applied mathematics
8
620 - Engineering & allied operations
6
621 - Applied physics
1
658 - General management
47
659 - Advertising & public relations
2
745 - Decorative arts
18
770 - Photography, photographs & computer art
2