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NLM Classification 2020: Worldwide source of medical library classification

QW

Microbiology. Immunology


  QW 1-300 Microbiology
      QW 1-45 Reference Works. General Works
      QW 50-52 Bacteria. Archaea
      QW 55-100 Microbiology in Specific Environments
      QW 125-155 Specific Bacteria
      QW 160-170 Viruses
      QW 180-180.5 Fungi
      QW 200-260 Unicellular Eukaryota
      QW 300 Biological Warfare
  QW 501-949 Immunology
      QW 501-539 Reference Works. General Immunology
      QW 540-569 Immunity
      QW 570-630.5 Antigens. Immunoglobulins. Toxins and Antitoxins
      QW 640-740 Specific Immune System Phenomena. Immune System Diseases
      QW 800-949 Immunotherapy and Hypersensitivity


Microbiology


Reference Works. General Works

 
QW 1
Organizations. Societies (General or not elsewhere classified) (Cutter from name of organization or society) (Table G)
(Used for both monographs and serials)
Includes membership lists issued serially or separately. Classify directories in QW 22. Classify annual reports, journals, etc. in W1. For academies and institutes, see QW 23-24. Classify works on immunological organizations and societies under QW 501.
 
QW 4
General works
Classify here general works on microbiological phenomena. Classify general works on bacteria alone in QW 50-52; on viruses alone in QW 160-170; on fungi alone in QW 180-180.5, or appropriate LC numbers. Classify works on microbiology on QW 21.
 
QW 5
Collected works by several authors
 
QW 7
Collected works by individual authors
 
QW 9
Addresses. Essays. Lectures
 
QW 11
History (Table G)
QW 11.1
General coverage (Not Table G)
 
QW 13
Dictionaries. Encyclopedias
(Used for both monographs and serials)
 
QW 15
Classification. Terminology
(Used for both monographs and serials)
 
QW 16
Tables. Statistics. Surveys (Table G)
(Used for both monographs and serials)
QW 16.1
General coverage (Not Table G)
(Used for both monographs and serials)
 
QW 17
Atlases. Pictorial works
 
QW 18
Education
Classify here works about education.
 
QW 18.2
Educational materials
(Used for both monographs and serials)
Classify here educational materials, e.g., outlines, questions and answers, programmed instruction, computer-assisted instruction, etc., regardless of format. Classify textbooks, regardless of format, by subject.
 
QW 19
Schools, departments, and faculties of microbiology or immunology (Table G)
(Used for both monographs and serials)
Include here works on the history of schools. Classify courses of study, catalogs, etc., in W 19.5.
QW 19.1
General coverage (Not Table G)
(Used for both monographs and serials)
 
QW 20.5
Research (General)
Classify here works about research in general. Classify works about research on a particular subject by subject.
 
QW 21
Microbiology as a profession. Ethics. Peer review
 
QW 22
Directories (Table G)
(Used for both monographs and serials)
QW 22.1
General coverage (Not Table G)
(Used for both monographs and serials)
 
QW 23
Collective laboratories, academies, institutes, etc.
 
QW 24
Individual laboratories, academies, institutes, etc. (Cutter from name of institution)
 
QW 25
Laboratory manuals. Technique (General or not elsewhere classified)
QW 25.5
Specific techniques, A-Z
QW 25.5.B2
Bacteriological techniques
QW 25.5.M6
Microbial sensitivity tests
QW 25.5.V7
Virus cultivation
 
QW 26
Apparatus, equipment, etc.
(Used for both monographs and serials)
Classify catalogs here.
 
QW 26.5
Informatics. Electronic data processing. Computers (General)
Classify works on use for special subjects by subject.
 
QW 27
Collective museums, exhibitions, etc.
 
QW 28
Individual museums, exhibitions, etc. (Cutter from name of museum, etc.) (Table G)
 
QW 32
Laws (Table G)
(Used for both monographs and serials)
QW 32.1
General coverage (Not Table G)
(Used for both monographs and serials)
QW 33
Discussion of law (Table G)
(Used for both monographs and serials)
QW 33.1
General coverage (Not Table G)
(Used for both monographs and serials)
 
QW 39
Handbooks. Resource guides
(Used for both monographs and serials)
 
QW 41
Microbial interactions. Host-microbial interactions (General or not elsewhere classified)
 
QW 42
Microbial virulence
Classify works on virulence of specific microbiological organisms with the organism.
 
QW 45
Microbial drug resistance


Bacteria. Archaea


QW 50
Bacteria (General). Archaea
Cf. QW 125-155 for specific bacteria.
QW 51
Morphology and variability of bacteria. Microbial genetics (General or not elsewhere classified)
Classify here general works on microbial and bacterial genetics. Cf. QW 125-155 for specific bacteria. Classify works on fungi in QW 180; on viruses in QW 160-170.
QW 52
Physiology and chemistry of bacteria. Metabolism
Classify here general works on the physiology and chemistry of bacteria. Cf. QW 125-155 for specific bacteria. Classify works on fungi in QW 180; on viruses in QW 160-170.


Microbiology in Specific Environments

 
QW 55
Environmental microbiology
 
QW 60
Plant and soil microbiology (General)
Classify works on plant viruses in QW 163. Classify works on plant mycology in QW 180. Classify works on specific microorganisms with the microorganism.
 
QW 65
Dental microbiology
 
QW 70
Veterinary microbiology (General)
Classify works on animal viruses in QW 160. Classify works on animal mycology in QW 180. Classify works on specific microorganisms with the microorganism.
 
QW 75
Industrial microbiology
 
QW 80
Water and sewage microbiology
 
QW 82
Air microbiology
 
QW 85
Food and beverage microbiology
 
QW 90
Biofilms
 
QW 100
Microbiota
 
[QW 115]
[This number not used]
Classify actinobacteria in QW 125.
 
[QW 118]
[This number not used]
Classify corynebacterium in QW 125.5.C5.
 
[QW 120]
[This number not used]
Classify propionibacteriaceae in QW 125.5.P7.


Specific Bacteria

 
QW 125
Actinobacteria. Actinomycetales
QW 125.5
Specific organisms, A-Z
QW 125.5.A2
Actinomycetaceae
QW 125.5.B4
Bifidobacterium
QW 125.5.B7
Brevibacterium
QW 125.5.C5
Corynebacterium
QW 125.5.M9
Mycobacteriaceae
QW 125.5.P7
Propionibacteriaceae
QW 125.5.S8
Streptomycetaceae
 
QW 127
Gram-positive endospore-forming bacteria
QW 127.5
Specific groups, A-Z
QW 127.5.B2
Bacillaceae
QW 127.5.C5
Clostridium
 
[QW 128]
[This number not used]
Classify works on bacteroidetes in QW 50.
 
[QW 130]
[This number not used]
Classify Caryophanales with Gram-positive bacteria in QW 142-142.5.
 
QW 131
Gram-negative bacteria (General). Gram-negative aerobic bacteria (include cocci and rods)
 
QW 133
Gram-negative anaerobic bacteria (include cocci and rods)
 
QW 135
Gram-negative chemolithotrophic bacteria
 
QW 137
Gram-negative facultatively anaerobic rods (General or not elsewhere classified)
QW 138
Enterobacteriaceae
QW 138.5
Specific organisms, A-Z
QW 138.5.E5
Enterobacter
QW 138.5.E8
Escherichia
QW 138.5.K5
Klebsiella
QW 138.5.P7
Proteus
QW 138.5.S2
Salmonella
QW 138.5.S3
Serratia
QW 138.5.S4
Shigella
QW 138.5.Y3
Yersinia
QW 139
Haemophilus
QW 140
Pasteurella
QW 141
Vibrionaceae
 
QW 142
Gram-positive bacteria (General or not elsewhere classified)
QW 142.5
Specific organisms, A-Z
QW 142.5.A8
Gram-positive asporogenous rods
QW 142.5.C6
Gram-positive cocci
QW 142.5.E5
Enterococcaceae
 
QW 143
Tenericutes
 
[QW 145]
[This number not used]
Classify works on phototrophic bacteria in QW 131.
 
[QW 149]
[This number not used]
Classify Rickettsiales in QW 150 and Chlamydiales in QW 152 as appropriate.
 
QW 150
Proteobacteria
 
QW 152
Chlamydiales
 
[QW 153]
[This number not used]
Classify leptothrix in QW 133.
 
QW 154
Campylobacter. Helicobacter. Spirillaceae
 
QW 155
Spirochaetales


Viruses

 
QW 160
Viruses (General). Virology
Classify works about a virus disease with the disease.
QW 160.5
Genetic aspects
QW 161
Bacteriophages
QW 161.5
Specific phages, A-Z
QW 161.5.C6
Coliphages
QW 161.5.M9
Mycobacteriophages
QW 161.5.S8
Staphylococcus phages
QW 162
Insect viruses
Classify works on diseases of insects in SB 942.
QW 163
Plant viruses
Classify works on virus diseases of plants in SB 736.
[QW 164]
[This number not used]
Classify vertebrate viruses in QW 160.
QW 165
DNA viruses
QW 165.5
Specific DNA groups, A-Z
QW 165.5.A3
Adenoviridae
QW 165.5.H3
Herpesviridae
QW 165.5.I6
Iridoviridae
[QW 165.5.P2]
[This number not used]
Classify works on papillomaviridae in QW 166.
QW 165.5.P3
Parvoviridae
QW 165.5.P6
Poxviridae
QW 166
Oncogenic viruses (General or not elsewhere classified)
[QW 167]
[This number not used]
Classify oncolytic viruses in QW 160.
QW 168
RNA viruses
QW 168.5
Specific RNA groups, A-Z
[QW 168.5.A7]
[This number not used]
Classify works on arboviruses in QW 160.
QW 168.5.A8
Arenaviridae
QW 168.5.B9
Bunyaviridae
QW 168.5.C8
Coronaviridae
QW 168.5.F4
Filoviridae
QW 168.5.F5
Flaviviridae
QW 168.5.H6
HIV
QW 168.5.O7
Orthomyxoviridae
QW 168.5.P2
Paramyxoviridae
QW 168.5.P4
Picornaviridae
QW 168.5.R15
Reoviridae
QW 168.5.R18
Retroviridae
QW 168.5.R2
Rhabdoviridae
[QW 168.5.R6]
[This number not used]
Classify RNA rodent viruses in QW 168.
QW 168.5.R8
Rubivirus. Rubella virus
[QW 169]
[This number not used]
Classify unclassified viruses in QW 160.
QW 170
Hepatitis viruses


Fungi

 
QW 180
Pathogenic fungi. Mycology
Classify general non-medical works on mycology and non-pathogenic fungi in QK 600-635.
QW 180.5
Specific fungi, A-Z
QW 180.5.A8
Ascomycota
QW 180.5.B2
Basidiomycota
QW 180.5.D3
Arthrodermataceae
QW 180.5.D38
Mitosporic fungi
[QW 180.5.M9]
[This number not used]
Classify Myxomycetes in QW 230.
QW 180.5.P4
Phycomyces
QW 180.5.Y3
Yeasts (General or not elsewhere classified)
 
[QW 190]
[This number not used]
Classify works on bacterial spores in QW 51; on fungal spores in QW 180.


Unicellular Eukaryota

 
QW 200
Unicellular eukaryota (General or not elsewhere classified)
QW 205
Alveolata
QW 208
Apicomplexa
QW 210
Coccidia
QW 212
Sarcocystidae
QW 214
Haemosporida
QW 217
Ciliophora
QW 220
Oligohymenophorea
QW 225
Amoebozoa
QW 228
Lobosea
QW 230
Mycetozoa
QW 235
Diplomonadida
QW 240
Euglenozoa
QW 243
Kinetoplastida
QW 250
Parabasalidea
QW 260
Stramenopiles


Biological Warfare

 
QW 300
Biological warfare


Immunology


Classify works on the immune system and immune system diseases in children in WS 300-305. Classify works on acquired immunodeficiency syndrome (AIDS) and other HIV infections in WC 503-503.7

Reference Works. General Immunology

 
QW 501
Organizations. Societies (General or not elsewhere classified) (Cutter from name of organization or society) (Table G)
(Used for both monographs and serials)
Includes membership lists issued serially or separately. Classify directories in QW 522. Classify annual reports, journals, etc. in W1. For academies and institutes, see QW 523-524.
 
QW 504
General works
Class here general works on immunology, immune system and immune system diseases. Classify works on immunology as a profession alone in QW 521. Classify works on immunity in QW 540-568. Classify general works on immune diseases alone in QW 740.
 
QW 504.5
Immunochemistry. Immunohistochemistry
 
QW 505
Collected works by several authors
 
QW 507
Collected works by individual authors
 
QW 509
Addresses. Essays. Lectures
 
QW 511
History (Table G)
QW 511.1
General coverage (Not Table G)
 
QW 513
Dictionaries. Encyclopedias
(Used for both monographs and serials)
 
QW 515
Classification. Terminology
(Used for both monographs and serials)
 
QW 516
Tables. Statistics. Surveys (Table G)
(Used for both monographs and serials)
QW 516.1
General coverage (Not Table G)
(Used for both monographs and serials)
 
QW 517
Atlases. Pictorial works
 
QW 518
Education
Classify here works about education.
 
QW 518.2
Educational materials
(Used for both monographs and serials)
Classify here educational materials, e.g., outlines, questions and answers, programmed instruction, computer-assisted instruction, etc., regardless of format. Classify textbooks, regardless of format, by subject.
 
QW 520
Research (General)
Classify here works about research in general. Classify works about research on a particular subject by subject.
 
QW 521
Allergy and immunology as a profession. Ethics. Peer review
 
QW 522
Directories (Table G)
(Used for both monographs and serials)
QW 522.1
General coverage (Not Table G)
(Used for both monographs and serials)
 
QW 523
Collective laboratories, academies, institutes, etc.
 
QW 524
Individual laboratories, academies, institutes, etc. (Cutter from name of institution)
 
QW 525
Laboratory manuals. Technique (General or not elsewhere classified)
Classify works on immunodiagnostic tests in QY 250-275.
QW 525.5
Specific techniques, A-Z
QW 525.5.E6
Enzyme-linked immunosorbent assay
QW 525.5.F6
Fluorescent antibody technique
QW 525.5.I3
Immunoassay (General or not elsewhere classified)
QW 525.5.I32
Immunoblotting
QW 525.5.I34
Immunoenzyme techniques
QW 525.5.I36
Immunophenotyping
QW 525.5.I4
Immunoprecipitation
QW 525.5.L6
Leukocyte adherence inhibition test
QW 525.5.L9
Lymphocyte activation
QW 525.5.R15
Radioallergosorbent test
QW 525.5.R2
Radioimmunoassay
 
QW 526
Equipment and supplies
(Used for both monographs and serials)
Classify catalogs here.
 
QW 539
Handbooks. Resource guides
(Used for both monographs and serials)


Immunity

 
QW 540
Immunity (General or not elsewhere classified)
 
QW 541
Natural immunity. Immunogenetic phenomena
 
QW 545
Autoimmunity. Autoimmune diseases (General)
 
QW 551
Adaptive immunity
Classify preparations producing immunity in QW 800-815.
QW 552
Active immunity
QW 553
Maternally acquired immunity
 
QW 563
Local immunity. Mucosal immunity
 
QW 568
Cellular immunity. Immunologic cytotoxicity. Immunocompetence. Immunologic factors (General or not elsewhere classified)
 
QW 569
Immunologic receptors
Classify works on antigen receptors in QW 574.


Antigens. Immunoglobulins. Toxins and Antitoxins

 
QW 570
Antigen-antibody reactions
Classify works on antigen-antibody complex in QW 608.
 
QW 573
Antigens (General or not elsewhere classified)
QW 573.5
Specific antigens, A-Z
QW 573.5.E7
Epitopes
QW 573.5.H6
Histocompatibility antigens
QW 573.5.H7
HLA antigens
QW 573.5.N4
Neoplasm antigens
 
QW 574
Antigen receptors
 
QW 575
Antibodies (General or not elsewhere classified)
QW 575.5
Specific antibodies, A-Z
QW 575.5.A6
Monoclonal antibodies
QW 575.5.A8
Autoantibodies
QW 575.5.I6
Immunoconjugates
QW 575.5.V5
Viral antibodies
 
QW 601
Immunoglobulins
 
QW 608
Antigen-antibody complex. Immune complex diseases
Classify works on antigen-antibody reactions in QW 570.
 
QW 630
Toxins. Antitoxins (General or not elsewhere classified)
Classify works on toxoids, antitoxins, etc., as preparations producing immunity in QW 805-815.
QW 630.5
Specific toxins and antitoxins, A-Z
QW 630.5.B2
Bacterial toxins
QW 630.5.C9
Cytotoxins
QW 630.5.E5
Endotoxins
QW 630.5.E6
Enterotoxins
QW 630.5.I3
Immunotoxins
QW 630.5.M3
Marine toxins
QW 630.5.M9
Mycotoxins
QW 630.5.N4
Neurotoxins
QW 630.5.R5
Ricin
QW 630.5.V4
Venoms


Specific Immune System Phenomena. Immune System Diseases


QW 640
Agglutination
Classify works on agglutination tests in QY 265.
[QW 660]
[This number not used]
Classify works on bacteriolysis in QW 52.
 
QW 680
Complement activation. Complement system proteins
Classify works on complement fixation tests in QY 265.
 
QW 690
Phagocytosis
 
QW 700
Infection. Mechanisms of infection and resistance
 
[QW 730]
[This number not used]
Classify works on virulence in QW 42.
 
QW 740
Immune system diseases (General or not elsewhere classified)
Classify works on acquired immunodeficiency syndrome (AIDS) and other HIV infections in WC 503-503.7. Classify works on autoimmune diseases in QW 545. Classify works on immune complex diseases in QW 608.


Immunotherapy and Hypersensitivity

 
QW 800
Biological products producing immunity
Classify works on vaccines and vaccination for a specific disease, with the disease, e.g., Smallpox vaccination, WC 588.
QW 805
Vaccines
Classify works on toxoids here.
QW 806
Vaccination
QW 815
Immune sera
Classify works on antitoxins formed in the body in QW 630-630.5.
 
QW 900
Hypersensitivity
Classify specific allergic reactions with the system or organ affected.
QW 904
Food hypersensitivity
QW 906
Drug hypersensitivity
 
QW 910
Allergens (General or not elsewhere classified)
 
QW 920
Immunomodulation. Immunosuppression. Immunosuppressive agents
Classify transplantation immunology in WO 680.
 
QW 940
Immunotherapy
Classify works on therapy of a particular disease with the disease.
QW 942
Immunization
Classify works on public health aspects of immunization in WA 115.
QW 945
Passive immunization
QW 949
Active immunotherapy