Classification
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380 - Commerce, communications & transportation
4
615 - Pharmacology & therapeutics
4
634 - Orchards, fruits & forestry
4
083 - Collections in other Germanic languages
3
201 - Religious mythology & social theology
3
325 - International migration & colonization
3
551 - Geology, hydrology & meteorology
3
616 - Diseases
3
621 - Applied physics
3
627 - Hydraulic engineering
3
628 - Sanitary & municipal engineering
3
300 - Social sciences
2
328 - The legislative process
2
355 - Military science
2
629 - Other branches of engineering
2
631 - Techniques, equipment & materials
2
001 - Knowledge
1
004 - Data processing & computer science
1
025 - Library operations
1
030 - General encyclopedic works
1
070 - News media, journalism & publishing
1
074 - Newspapers in France & Monaco
1
085 - Collections in Italian, Romanian & related languages
1
155 - Differential & developmental psychology
1
179 - Other ethical norms
1
311 - [Unassigned]
1
327 - International relations
1
334 - Cooperatives
1
342 - Constitutional & administrative law
1
347 - Civil procedure & courts
1
381 - Commerce
1
385 - Railroad transportation
1
399 - Customs of war & diplomacy
1
607 - Education, research & related topics
1
610 - Medicine & health
1
618 - Gynecology, obstetrics, pediatrics & geriatrics
1
639 - Hunting, fishing & conservation
1
651 - Office services
1
662 - Explosives, fuels & related products
1
697 - Heating, ventilating & air-conditioning
1
709 - Historical, geographic & persons treatment
1
808 - Rhetoric & collections of literature
1
939 - Other parts of ancient world to ca. 640
1
949 - Other parts of Europe
1
956 - Middle East (Near East)
1