Classification
004 - Data processing & computer science
26
005 - Computer programming, programs & data
163
006 - Special computer methods
55
011 - Bibliographies
4
300 - Social sciences
4
302 - Social interaction
24
330 - Economics
18
331 - Labor economics
51
332 - Financial economics
1
338 - Production
3
372 - Elementary education
1
380 - Commerce, communications & transportation
1
381 - Commerce
3
384 - Communications; telecommunication
278
500 - Natural sciences & mathematics
277
510 - Mathematics
1
519 - Probabilities & applied mathematics
1
600 - Technology
1
620 - Engineering & allied operations
54
621 - Applied physics
5
629 - Other branches of engineering
8
651 - Office services
2
658 - General management
57
670 - Manufacturing
5
686 - Printing & related activities
1
700 - The arts; fine & decorative arts
1
741 - Drawing & drawings
1
745 - Decorative arts
48
770 - Photography, photographs & computer art
3
776 - Computer art (Digital art)
1
777 - [Unassigned]
1
778 - Fields & kinds of photography
1
790 - Recreational & performing arts
4
791 - Public performances
1
794 - Indoor games of skill
9
910 - Geography & travel
2