Classification
775 - Digital photography
770 - Photography, photographs & computer art
123
302 - Social interaction
31
771 - Techniques, equipment & materials
18
778 - Fields & kinds of photography
6
331 - Labor economics
4
620 - Engineering & allied operations
3
500 - Natural sciences & mathematics
2
777 - [Unassigned]
2
300 - Social sciences
1
330 - Economics
1
338 - Production
1
621 - Applied physics
1
658 - General management
1
740 - Drawing & decorative arts
1