299
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600
600 Technology
601 Philosophy & theory
602 Miscellany
603 Dictionaries & encyclopedias
604 Special topics
605 Serial publications
606 Organizations
607 Education, research & related topics
608 Inventions & patents
609 Historical, geographic & persons treatment
610 Medicine & health
611 Human anatomy, cytology & histology
612 Human physiology
613 Personal health & safety
614 Incidence & prevention of disease
615 Pharmacology & therapeutics
616 Diseases
617 Surgery & related medical specialties
618 Gynecology, obstetrics, pediatrics & geriatrics
619 [Unassigned]
620 Engineering & allied operations
621 Applied physics
622 Mining & related operations
623 Military & nautical engineering
624 Civil engineering
625 Engineering of railroads & roads
626 [Unassigned]
627 Hydraulic engineering
628 Sanitary & municipal engineering
629 Other branches of engineering
630 Agriculture & related technologies
631 Techniques, equipment & materials
632 Plant injuries, diseases & pests
633 Field & plantation crops
634 Orchards, fruits & forestry
635 Garden crops (Horticulture)
636 Animal husbandry
637 Processing dairy & related products
638 Insect culture
639 Hunting, fishing & conservation
640 Home & family management
641 Food & drink
642 Meals & table service
643 Housing & household equipment
644 Household utilities
645 Household furnishings
646 Sewing, clothing & personal living
647 Management of public households
648 Housekeeping
649 Child rearing & home care of persons
650 Management & auxiliary services
651 Office services
652 Processes of written communication
653 Shorthand
654 [Unassigned]
655 [Unassigned]
656 [Unassigned]
657 Accounting
658 General management
659 Advertising & public relations
660 Chemical engineering
661 Industrial chemicals
662 Explosives, fuels & related products
663 Beverage technology
664 Food technology
665 Industrial oils, fats, waxes & gases
666 Ceramic & allied technologies
667 Cleaning, color & coating technologies
668 Technology of other organic products
669 Metallurgy
670 Manufacturing
671 Metalworking & primary metal products
672 Iron, steel & other iron alloys
673 Nonferrous metals
674 Lumber processing, wood products & cork
675 Leather & fur processing
676 Pulp & paper technology
677 Textiles
678 Elastomers & elastomer products
679 Other products of specific materials
680 Manufacture for specific uses
681 Precision instruments & other devices
682 Small forge work (Blacksmithing)
683 Hardware & household appliances
684 Furnishings & home workshops
685 Leather, fur goods & related products
686 Printing & related activities
687 Clothing & accessories
688 Other final products & packaging
689 [Unassigned]
690 Buildings
691 Building materials
692 Auxiliary construction practices
693 Specific materials & purposes
694 Wood construction & carpentry
695 Roof covering
696 Utilities
697 Heating, ventilating & air-conditioning
698 Detail finishing
699 [Unassigned]
Actually, dictionaries are found in the 400s section of the Dewey Decimal System, specifically in the range 400-499, which focuses on language. The 700-799 section is for arts and recreation topics.
Class 700 is based on Arts and Entertainment. This is what the majority of people read. This includes Fiction, Fairytales, etc.