The sections below provide a finding aid and overview of the Dewey Decimal Classification System numbers at Grainger Engineering Library. For locations on the third floor, see the Library Map.
Dewey Decimal Finding Aid
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Follow these basic principles in reading Dewey Decimal call numbers:
- Any numerals that appear behind the decimal are read as decimal numbers. For example:
- 623.3 comes before
- 623.306 followed by
- 623.35 followed by
- 623.4 etc.
- When a number follows a letter, read it as in the following example. For example:
- 623.306 W72 comes before
- 623.306 W727 and would come before
- 623.306 W75 and before
- 623.306 W8
- A lower case letter may follow, adding another layer of alphabetical order.
Note: When there is no decimal point, items are shelved in this order:
- 623 W72
- 623.1 A12h
- 623.1 A8h
Note: Call numbers that begin with A, B, and C should be substituted with these numbers: A = 016., B = 920., and C = 380.
Dewey Decimal Classification Numbers at Grainger Engineering Library
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| 004 Data Processing; Computer Science | 627 Hydraulic engineering |
| 004.21 Systems analysis and design | 627.1 Inland waterways |
| 004.22 Computer architecture | 627.2 Harbors, ports, roadsteads |
| 004.5 Storage | 627.3 Port installations |
| 004.6 Interfacing and communications | 627.4 Flood control |
| 004.65 Computer networks | 627.5 Reclamation, irrigation |
| 004.7 Peripherals | 627.7 Underwater operations |
| 005 Computer programming, programs, data | 627.8 Dams and reservoirs |
| 005.1 Programming | 627.9 Other hydraulic structures |
| 005.131 Symbolic logic | 628 Sanitary and municipal engineering |
| 005.133 Specific programming languages | 628.1 Water supply |
| 005.4 Systems programming | 628.2 Sewers and sewage |
| 005.43 Operating systems | 628.3 Sewage treatment and disposal |
| 005.71 Data communications | 628.4 Waste technology |
| 005.73 Data structures | 628.5 Industrial sanitation engineering |
| 005.74 Data files and databases | 628.7 Rural sanitary engineering |
| 005.8 Data security | 629 Other branches of engineering |
| 006 Special computer methods | 629.04 Transportation engineering |
| 006.3 Artif. intelligence [also 001.535] | 629.1 Aerospace engineering |
| 006.4 Pattern recognition | 629.2 Motor land vehicles and cycles |
| 006.5 Computer sound synthesis | (Automotive engineering) |
| 006.6 Computer graphics | 629.4 Astronautics |
| 384 Communications/Telecommunication | 629.8 Automatic control engineering |
| 384.3 Computer communication | 660 Chemical engineering |
| 384.51 Wireless communication | 660.6 Biotechnology |
| 510 Mathematics | 660.62 Industrial microbiology |
| 511 General principles of mathematics | 660.63 Biochemical engineering |
| 512 Algebra | 660.65 Genetic engineering |
| 513 Arithmetic | 660.7 Industrial stoichiometry |
| 514 Topology | 661 Technology of industrial chemicals |
| 515 Analysis (515.15 Calculus and analytic geometry) | 662 Explosives, fuels, related products |
| 516 Geometry | 662.1 Fireworks (Pyrotechnics) |
| 518 Numerical analysis | 662.2 Explosives |
| 519 Probabilities and applied mathematics | 662.4 Detonators |
| 520 Astronomy & allied sciences | 662.5 Matches |
| 521 Celestial mechanics | 662.6 Fuels |
| 522 Techniques, equipment, materials | 662.7 Coke and charcoal |
| 523 Specific celestial bodies & phenomena | 662.8 Other fuels |
| 524 Not assigned or no longer used | 662.9 Nonfuel carbons |
| 525 Earth (Astronomical geography) | 665 Industrial oils, fats, waxes, gases |
| 526 Mathematical geography | 665.5 Petroleum |
| 527 Celestial navigation | 665.7 Natural gas/Manufactured gases |
| 528 Ephemerides | 666 Ceramic and allied technologies |
| 529 Chronology | 666.1 Glass |
| 530 Physics | 666.7 Refractories and structural clay |
| 531 Classical mechanics; Solid mechanics | 666.8 Synthetic and artificial minerals |
| 532 Fluid mechanics; Liquid mechanics | 666.893 Concrete |
| 533 Gas mechanics | 666.9 Masonry adhesives |
| 534 Sound & related vibrations | 668 Technology of other organic products |
| 535 Light & paraphotic phenomena | 668.4 Plastics (see also 547.8432) |
| 536 Heat | 669 Metallurgy |
| 537 Electricity & electronics | 669.1 Ferrous metals |
| 538 Magnetism | 669.2 Precious, rare-earth metals |
| 539 Modern physics | 669.3 Copper |
| 551 Geology, hydrology, meteorology | 669.4 Lead |
| 551.01 Philosophy and theory of geology | 669.5 Zinc and Cadmium |
| 551.09 History, geographic treatment, biography of geology | 669.6 Tin |
| 551.1 Gross structure and properties of the earth | 669.7 Other nonferrous metals |
| 551.2 Volcanoes, earthquakes, thermal waters and gases | 669.9 Physical and chemical metallurgy |
| 551.3 Surface and exogenous processes and their agents | 670 Manufacturing |
| 551.4 Geomorphology and hydrosphere | 670.427 Computer-aided manufacture |
| 551.5 Meteorology | 671 Metalworking processes and primary metals |
| 551.6 Climatology and weather | 671.2 Foundry practice (casting) |
| 551.7 Historical geology | 671.3 Mechanical working |
| 551.8 Structural geology | 672 Iron, steel, other iron alloys |
| 551.9 Geochemistry | 673 Nonferrous metals |
| 620 Engineering and allied operations | 673.2 Precious, rare-earth metals |
| 620.1 Mechanics and materials | 673.3 Copper |
| 620.11 Materials science | 673.4 Lead |
| 620.106 Applied fluid mechanics | 673.5 Zinc and cadmium |
| 620.2 Sound and related vibrations | 673.6 Tin |
| 620.3 Mechanical vibration | 673.7 Other nonferrous metals |
| 620.8 Human-factors/safety engineering | 673.71 Mercury |
| 621 Applied physics | 673.722 Aluminum |
| 621.04 Energy and plasma engineering | 674 Lumber processing, wood products cork |
| 621.1 Steam engineering | 676 Pulp and paper technology |
| 621.2 Hydraulic-power technology | 678 Elastomers and elastomer products |
| 621.3 Electronics, magnetics, communications, computer engineering, lighting | 678.2 Rubber |
| 621.39 Computer engineering | 678.5 Latexes |
| 621.8 Machine engineering | 680 Manufacture of products for specific uses |
| 622 Mining and related operations | 681 Precision instruments and other devices |
| 622.1 Prospecting /exploratory ops. | 690 Buildings |
| 622.2 Excavation techniques | 691 Building materials |
| 622.4 Mine environment | 691.1 Timber |
| 622.5 Mine drainage | 691.2 Natural stones |
| 622.6 Mine transport systems | 691.3 Concrete and artificial stones |
| 622.7 Ore dressing | 691.4 Ceramic and clay materials |
| 622.8 Mine health and safety | 691.5 Masonry adhesives |
| 623 Military and nautical engineering | 691.6 Glass |
| 623.1 Fortifications | 691.7 Iron and steel (ferrous metals) |
| 623.2 Mine laying, demolition | 691.8 Metals |
| 623.3 Engineering of defense | 691.9 Other building materials |
| 623.4 Ordnance | 691.92 Plastics and their laminates |
| 623.5 Ballistics and gunnery | 692 Auxiliary construction practices |
| 623.6 Military transportation technology | 692.3 Construction specifications |
| 623.7 Commun., vehicles, sanitation | 693 Construction – Specific Topics |
| 623.8 Nautical engineering | 693.1 Masonry |
| 624 Civil engineering | 693.2 Stabilized earth materials |
| 624.1 Structural engineering | 693.3 Tiles and terra cotta |
| 624.151 Engineering geology | 693.4 Artificial stones and hollow bricks |
| 624.2 Bridges | 693.5 Concrete |
| 624.3 Specific types of bridges | 693.6 Plaster, stucco, lathwork |
| 624.4 Tubular and box-girder bridges | 693.7 Metals |
| 624.5 Suspension bridges | 693.8 Construction for specific purposes |
| 624.6 Arch bridges | 693.852 Earthquake resistant construction |
| 624.7 Compound bridges | 694 Wood construction, carpentry |
| 624.8 Movable bridges | 694.1 Planning, analysis, design |
| 625 Engineering of railroads, roads, highways | 695 Roof covering |
| 625.1 Railroads | 696 Utilities |
| 625.2 Railroad rolling stock | 696.1 Plumbing |
| 625.3 Inclined, mountain, ship railroads | 697 HVAC |
| 625.4 Rapid transit systems | 697.1 Radiative heating |
| 625.5 Cable and aerial railways | 697.2 Convective heating |
| 625.6 Surface rail and trolley systems | 697.3 Hot-air heating |
| 625.7 Roads | 697.4 Hot-water heating |
| 625.8 Artificial road surfaces | 697.5 Steam heating |
| 697.7 Other heating methods | |
| 697.9 Ventilation and air conditioning |