Classification
000 - Computer science, information & general works
248
001 - Knowledge
2
002 - The book
2
003 - Systems
1
004 - Data processing & computer science
9
005 - Computer programming, programs & data
21
006 - Special computer methods
11
011 - Bibliographies
025 - Library operations
3
070 - News media, journalism & publishing
4
150 - Psychology
3
153 - Mental processes & intelligence
6
155 - Differential & developmental psychology
1
158 - Applied psychology
12
170 - Ethics
2
300 - Social sciences
6
302 - Social interaction
15
306 - Culture & institutions
1
330 - Economics
45
331 - Labor economics
24
332 - Financial economics
15
338 - Production
12
343 - Military, tax, trade & industrial law
1
346 - Private law
1
361 - Social problems & social welfare in general
2
362 - Social welfare problems & services
1
368 - Insurance
1
372 - Elementary education
1
374 - Adult education
2
380 - Commerce, communications & transportation
4
381 - Commerce
7
384 - Communications; telecommunication
10
388 - Transportation; ground transportation
1
428 - Standard English usage
1
500 - Natural sciences & mathematics
8
519 - Probabilities & applied mathematics
1
610 - Medicine & health
1
612 - Human physiology
2
616 - Diseases
1
620 - Engineering & allied operations
3
621 - Applied physics
3
646 - Sewing, clothing & personal living
1
650 - Management & auxiliary services
14
651 - Office services
1
658 - General management
101
659 - Advertising & public relations
3
740 - Drawing & decorative arts
2
741 - Drawing & drawings
1
745 - Decorative arts
11
751 - Techniques, equipment, materials & forms
2
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