Classification
000 - Computer science, information & general works
2
153 - Mental processes & intelligence
1
330 - Economics
1
331 - Labor economics
17
384 - Communications; telecommunication
4
500 - Natural sciences & mathematics
11
600 - Technology
1
620 - Engineering & allied operations
26
621 - Applied physics
4
623 - Military & nautical engineering
1
629 - Other branches of engineering
45
650 - Management & auxiliary services
1
658 - General management
2
688 - Other final products & packaging
12
709 - Historical, geographic & persons treatment
1
724 - Architecture from 1400
1
745 - Decorative arts
37
790 - Recreational & performing arts
794 - Indoor games of skill
3
800 - Literature & rhetoric
1
942 - England & Wales
1