Classification
011 - Bibliographies
226
000 - Computer science, information & general works
146
658 - General management
32
004 - Data processing & computer science
18
330 - Economics
18
331 - Labor economics
16
005 - Computer programming, programs & data
14
070 - News media, journalism & publishing
11
500 - Natural sciences & mathematics
11
745 - Decorative arts
10
006 - Special computer methods
9
384 - Communications; telecommunication
9
302 - Social interaction
7
338 - Production
5
577 - Ecology
5
620 - Engineering & allied operations
5
001 - Knowledge
4
153 - Mental processes & intelligence
4
380 - Commerce, communications & transportation
4
519 - Probabilities & applied mathematics
4
530 - Physics
4
621 - Applied physics
4
025 - Library operations
3
158 - Applied psychology
3
332 - Financial economics
3
381 - Commerce
3
551 - Geology, hydrology & meteorology
3
150 - Psychology
2
300 - Social sciences
2
372 - Elementary education
2
374 - Adult education
2
650 - Management & auxiliary services
2
751 - Techniques, equipment, materials & forms
2
808 - Rhetoric & collections of literature
2
028 - Reading & use of other information media
1
115 - Time
1
128 - Humankind
1
152 - Perception, movement, emotions & drives
1
155 - Differential & developmental psychology
1
235 - Spiritual beings
1
305 - Social groups
1
306 - Culture & institutions
1
327 - International relations
1
343 - Military, tax, trade & industrial law
1
346 - Private law
1
388 - Transportation; ground transportation
1
502 - Miscellany
1
514 - Topology
1
540 - Chemistry & allied sciences
1
541 - Physical chemistry
1
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