Classification
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354 - Administration of economy & environment
1
362 - Social welfare problems & services
1
368 - Insurance
1
388 - Transportation; ground transportation
1
450 - Italian, Romanian & related languages
1
553 - Economic geology
1
616 - Diseases
1
622 - Mining & related operations
1
637 - Processing dairy & related products
1
639 - Hunting, fishing & conservation
1
650 - Management & auxiliary services
1
662 - Explosives, fuels & related products
1
692 - Auxiliary construction practices
1
769 - Prints
1
828 - English miscellaneous writings
1
843 - French fiction
1
913 - Geography of & travel in ancient world
1
923 - (Optional number)
1
939 - Other parts of ancient world to ca. 640
1
940 - History of Europe
1
941 - British Isles
1
944 - France & Monaco
1
946 - Iberian Peninsula & adjacent islands
1
954 - South Asia; India
1
972 - Middle America; Mexico
1
973 - United States
1
975 - Southeastern United States
1
986 - Colombia & Ecuador
1