Classification
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614 - Incidence & prevention of disease
3
618 - Gynecology, obstetrics, pediatrics & geriatrics
1
630 - Agriculture & related technologies
1
650 - Management & auxiliary services
1
700 - The arts; fine & decorative arts
21
720 - Architecture
1
770 - Photography, photographs & computer art
1
780 - Music
1
791 - Public performances
1
800 - Literature & rhetoric
2
900 - History & geography
17
947 - Eastern Europe; Russia
1
973 - United States
1