Classification
331 - Labor economics
302 - Social interaction
235
006 - Special computer methods
177
658 - General management
115
381 - Commerce
82
330 - Economics
76
745 - Decorative arts
76
500 - Natural sciences & mathematics
37
384 - Communications; telecommunication
27
338 - Production
21
620 - Engineering & allied operations
21
659 - Advertising & public relations
16
005 - Computer programming, programs & data
15
303 - Social processes
12
650 - Management & auxiliary services
11
000 - Computer science, information & general works
10
300 - Social sciences
9
770 - Photography, photographs & computer art
9
004 - Data processing & computer science
8
670 - Manufacturing
5
011 - Bibliographies
4
158 - Applied psychology
3
380 - Commerce, communications & transportation
3
332 - Financial economics
2
364 - Criminology
2
025 - Library operations
1
028 - Reading & use of other information media
1
155 - Differential & developmental psychology
1
304 - Factors affecting social behavior
1
342 - Constitutional & administrative law
1
343 - Military, tax, trade & industrial law
1
368 - Insurance
1
374 - Adult education
1
526 - Mathematical geography
1
621 - Applied physics
1
702 - Miscellany of fine & decorative arts
1
741 - Drawing & drawings
1
775 - Digital photography
1
778 - Fields & kinds of photography
1
781 - General principles & musical forms
1
808 - Rhetoric & collections of literature
1