Classification
621 - Applied physics
184
006 - Special computer methods
64
770 - Photography, photographs & computer art
43
620 - Engineering & allied operations
17
004 - Data processing & computer science
11
005 - Computer programming, programs & data
10
000 - Computer science, information & general works
9
771 - Techniques, equipment & materials
9
610 - Medicine & health
8
629 - Other branches of engineering
7
778 - Fields & kinds of photography
5
519 - Probabilities & applied mathematics
3
003 - Systems
2
302 - Social interaction
2
330 - Economics
2
658 - General management
2
150 - Psychology
1
379 - Public policy issues in education
1
381 - Commerce
1
510 - Mathematics
1
515 - Analysis
1
518 - Numerical analysis
1
570 - Life sciences; biology
1
612 - Human physiology
1
614 - Incidence & prevention of disease
1
686 - Printing & related activities
1
745 - Decorative arts
1
775 - Digital photography
1
910 - Geography & travel
1