Classification
770 - Photography, photographs & computer art
777 - [Unassigned]
93
778 - Fields & kinds of photography
79
791 - Public performances
40
006 - Special computer methods
36
331 - Labor economics
13
384 - Communications; telecommunication
13
771 - Techniques, equipment & materials
11
781 - General principles & musical forms
7
302 - Social interaction
5
620 - Engineering & allied operations
4
741 - Drawing & drawings
4
745 - Decorative arts
4
330 - Economics
3
381 - Commerce
3
500 - Natural sciences & mathematics
3
658 - General management
2
000 - Computer science, information & general works
1
170 - Ethics
1
374 - Adult education
1
398 - Folklore
1
600 - Technology
1
610 - Medicine & health
1
621 - Applied physics
1
775 - Digital photography
1
780 - Music
1
900 - History & geography
1