Classification
302 - Social interaction
331 - Labor economics
745 - Decorative arts
14
006 - Special computer methods
13
005 - Computer programming, programs & data
4
500 - Natural sciences & mathematics
4
384 - Communications; telecommunication
3
770 - Photography, photographs & computer art
3
620 - Engineering & allied operations
2
000 - Computer science, information & general works
1
658 - General management
1
778 - Fields & kinds of photography
1