600s: Technology - Understanding Call Numbers: The Dewey Decimal System - NICC Library at Northeast Iowa Community College
Skip to Main Content

Understanding Call Numbers: The Dewey Decimal System

600s: Technology

  • 600 Technology (Applied sciences)
    • 600 Technology
    • 601 Philosophy & theory
    • 602 Miscellany
    • 603 Dictionaries & encyclopedias
    • 604 Special topics
    • 605 Serial publications
    • 606 Organizations
    • 607 Education, research, related topics
    • 608 Invention & patents
    • 609 Historical, geographic, persons treatment
  • 610 Medical sciences; Medicine
    • 611 Human anatomy, cytology, histology
    • 612 Human physiology
    • 613 Personal health & safety
    • 614 Incidence & prevention of disease
    • 615 Pharmacology and therapeutics
    • 616 Diseases
    • 617 Surgery & related medical specialties
    • 618 Gynaecology & other medical specialties
    • 619 Experimental medicine
  • 620 Engineering & Applied 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
    • 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 economics & family living
    • 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 sick
  • 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 technology
    • 662 Explosives, fuels technology
    • 663 Beverage technology
    • 664 Food technology
    • 665 Industrial oils, fats, waxes, gases
    • 666 Ceramic & allied technologies
    • 667 Cleaning, color, related technologies
    • 668 Technology of other organic products
    • 669 Metallurgy
  • 670 Manufacturing
    • 671 Metalworking & 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, related products
    • 686 Printing & related activities
    • 687 Clothing
    • 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]