Classification
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616 - Diseases
1
617 - Surgery & related medical specialties
1
620 - Engineering & allied operations
3
621 - Applied physics
3
624 - Civil engineering
1
629 - Other branches of engineering
2
631 - Techniques, equipment & materials
1
641 - Food & drink
1
650 - Management & auxiliary services
22
651 - Office services
1
658 - General management
106
659 - Advertising & public relations
2
664 - Food technology
2
670 - Manufacturing
12
686 - Printing & related activities
1
691 - Building materials
1
745 - Decorative arts
1
792 - Stage presentations
1
794 - Indoor games of skill
1
796 - Athletic & outdoor sports & games
2
800 - Literature & rhetoric
1
808 - Rhetoric & collections of literature
1
930 - History of ancient world to ca. 499
1
943 - Central Europe; Germany
1