Classification
005 - Computer programming, programs & data
330 - Economics
658 - General management
745 - Decorative arts
500 - Natural sciences & mathematics
2
300 - Social sciences
1
302 - Social interaction
1
338 - Production
1
371 - Schools & their activities; special education
1
510 - Mathematics
1
670 - Manufacturing
1
700 - The arts; fine & decorative arts
1