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NLM Classification 2016: Worldwide source of medical library classification



Classify works on diseases of specific body systems in children in WS 260-368.

  • Classify works on anatomy and physiology of the child in QS or QT.
  • Classify pediatric works on topics other than body systems with the topic, e.g., surgery of the child in WO 925.
  • Classify works on specific diseases with the disease unless otherwise instructed.


  WS 1-100 Reference Works. General Works
  WS 103-105 Growth and Development
  WS 107-110 Intellectual Disability. Learning Disorders
  WS 113-141 Child Care. Nutrition. Physical Examination
      WS 200-220 General Diseases
  WS 200-342 Diseases of Children and Adolescents
      WS 260-342 By System
  WS 350-350.8 Child Psychiatry
  WS 360-368 Pediatric Specialties
  WS 405-460 By Age Groups
  WS 462-463 Adolescent Psychology. Adolescent Psychiatry

Reference Works. General Works

WS 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 WS 22. Classify annual reports, journals, etc., in W1. For academies and institutes, see WS 23-24.
Collected works (General)
WS 5
By several authors
WS 7
By individual authors
WS 9
Addresses. Essays. Lectures (General)
WS 11
History (Table G)
WS 11.1
General coverage (Not Table G)
WS 13
Dictionaries. Encyclopedias
(Used for both monographs and serials)
WS 15
Classification. Terminology
(Used for both monographs and serials)
WS 16
Growth tables. Statistics. Surveys (Table G)
(Used for both monographs and serials)
Classify here tables on development, height, weight, and nutrition. Classify here infant and child mortality statistics without causes of death. Classify statistics including causes of death in WA 900.
WS 16.1
General coverage (Not Table G)
(Used for both monographs and serials)
WS 17
Atlases. Pictorial works
Cf. QZ 17 for tissue pathology of disease.
WS 18
Classify here works about education.
WS 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.
WS 19
Schools, departments, and faculties of pediatrics (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.
WS 19.1
General coverage (Not Table G)
(Used for both monographs and serials)
WS 20
Research (General)
Classify here works about research in general. Classify works about research on a particular subject by subject.
WS 21
Pediatrics as a profession. Ethics. Peer review
WS 22
Directories (Table G)
(Used for both monographs and serials)
WS 22.1
General coverage (Not Table G)
(Used for both monographs and serials)
Academies, institutes, etc.
Classify here also works on organizations which provide public or private services for disabled children which include medical, nursing and hygienic aspects, rehabilitation, etc. Cf. WA 320 for public health aspects.
WS 23
Collective (Table G)
WS 23.1
General coverage (Not Table G)
WS 24
Individual (Cutter from name of institution) (Table G)
WS 25
Laboratory manuals. Technique
WS 26
Equipment and supplies
(e.g., Eating utensils for spastic children)
Classify catalogs in W 26.
WS 26.5
Informatics. Automatic data processing. Computers (General)
Classify works on use for special subjects by subject.
Hospitals, dispensaries, etc.

Classify here works on psychiatric hospitals for children only. Classify works on community mental health services for children in WM 30.

WS 27
Collective (Table G)
WS 27.1
General coverage (Not Table G)
WS 28
Individual (Cutter from name of hospital) (Table G)
Museums, exhibitions, etc.
WS 28.5
WS 28.6
Individual (Cutter from name of museum, etc.) (Table G)
WS 29
Hospital staff manuals
WS 32
Laws (Table G)
(Used for both monographs and serials)
WS 32.1
General coverage (Not Table G)
(Used for both monographs and serials)
WS 33
Discussion of law (Table G)
(Used for both monographs and serials)
WS 33.1
General coverage (Not Table G)
(Used for both monographs and serials)
WS 39
Handbooks. Resource guides
(Used for both monographs and serials)
WS 100
General works
Classify works on the specialty and on the specialty and diseases here. Classify works on diseases alone in WS 200.

Growth and Development

WS 103
Normal physical growth and development
For adolescents, see WS 460.
WS 104
Growth disorders. Failure to thrive
WS 105
Normal mental growth and development. Child psychology
Classify works on psychophysiological aspects in WL, e.g., on physiology of sleep in WL 108; on laterality in WL 335; or with the system involved; on vision and visual perception in WW 103-105; on motor skills in WE 103-104.
WS 105.5
Special topics, A-Z
WS 105.5.A8
Attitudes and adjustments (to death, illness, divorce, etc.)
WS 105.5.C3
Child rearing (Psychological aspects)
Classify general works including physiological problems with child care in WS 113.
WS 105.5.C7
Cognition. Fantasy. Imagination
WS 105.5.C8
Communication. Verbal behavior
WS 105.5.D2
Decision making. Logic. Thinking. Concept formation. Perception (Psychological)
Classify works on neurophysiological perception and specific types of perception in WL 705 or with the organ involved.
WS 105.5.D3
Deprivation (economic, parental, etc.) and security
WS 105.5.D8
WS 105.5.E5
Emotions. Frustrations, etc.
WS 105.5.E8
Evaluation of psychological development (General)
WS 105.5.E9
External influences (literature, motion pictures, television, war, etc.)
WS 105.5.F2
Family relations. Birth order. Only child. Twins. Parent-child relations. Father-child relations. Mother-child relations. Sibling relations, etc.
WS 105.5.H2
Disabled child (Psychological problems)
WS 105.5.H7
Hospitalized child
Cf. WA 310-320 Maternal and child welfare.
WS 105.5.I5
Interpersonal relations (doctor, peer, stranger, etc.)
Cf. WS 105.5.S6 Race relations. Classify works on interpersonal relations of the mentally disabled child in WS 107.5.R4; dentist's relation to the child in WU 480; on nurse's relation to the child in WY 159.
WS 105.5.M2
WS 105.5.M3
Mental health
Classify works on school mental health in WA 352.
WS 105.5.M4
WS 105.5.M5
WS 105.5.M8
WS 105.5.P3
Personality development
WS 105.5.P5
Play and Playthings
WS 105.5.S3
WS 105.5.S4
Sexual behavior
WS 105.5.S6
Social behavior. Social problems. Race relations
Cf. WS 105.5.I5 Interpersonal relations.

Intellectual Disability. Learning Disorders

WS 107
Mentally disabled child. Down syndrome
Classify works on psychiatric aspects in WS 350; on education of the mentally disabled in LC 4601-4640.4; on adult mental disability in WM 300.
WS 107.5
Special topics when related to the mentally disabled child, A-Z
WS 107.5.B4
Biochemistry. Genetics
WS 107.5.C2
Case reports. Biographical accounts
WS 107.5.C6
WS 107.5.D3
Development. Prognosis
WS 107.5.F6
Foster home care
WS 107.5.I4
Cf. WS 27-28 Hospitals; WS 105.5.H7 Hospitalized child (General).
WS 107.5.P7
Psychomotor disorders
WS 107.5.P8
Psychosocial problems
WS 107.5.R3
Rehabilitation and training (General)
WS 107.5.R4
Relations with doctor, nurse, etc.
WS 107.5.R5
Relations with family. Family adjustment
WS 110
Learning disorders (physical, mental, and neurologic)
Classify works on specific disorders in appropriate numbers, e.g., Aphasia WL 340.5. Classify works for the educator in LC 4704.

Child Care. Nutrition. Physical Examination

WS 113
Care and training
Cf. WS 105.5.C3 for psychological aspects.
WS 115
Nutritional requirements. Nutrition disorders
Classify here general works on nutritional requirements and nutrition disorders of children covering the full age range from birth through adolescence, and on adolescents alone. Classify works on infants alone in WS 120-125, and on children ages 2-12 in WS 130. Classify eating disorders regardless of age group in WM 175.
WS 120
In infancy
WS 125
Breast feeding
WS 130
In childhood
WS 135
Prophylactic immunizations
WS 141
Physical examination. Diagnosis. Mass screening. Monitoring
Classify works on examination and diagnosis of specific age groups in WS 405-460. Classify general pediatric diagnostic imaging in WN 240. Classify specific imaging techniques with the technique.

General Diseases

Diseases of Children and Adolescents

Classify works on communicable diseases of children, not associated with a system, in the WC schedule.
WS 200
General works
WS 205
Pediatric emergencies
Classify works on newborn emergencies in WS 421.
WS 210
Chronic disease (General)
WS 220
Palliative care. Terminal care

By System

In the numbers for each system below, include general works on diseases of the system and surgery as a whole, or the organs of the system.

  • Classify works on particular diseases with the disease except for the three disease numbers in WS 312, WS 322, and WS 342.
  • Classify works on diseases in premature infants in WS 410.
  • Classify works on diseases in newborn infants in WS 421.

WS 260
WS 270
Musculoskeletal system
WS 280
Respiratory system
WS 290
Cardiovascular system
WS 300
Hemic and lymphatic system
WS 310
Digestive system
WS 312
Diarrheal disorders
WS 320
Urogenital system
WS 322
WS 330
Endocrine system
WS 340
Nervous system
WS 342
Cerebral palsy

Child Psychiatry

WS 350
Child psychiatry. Child guidance. Psychoses (General)
Cf. WS 107 The mentally disabled child. Classify works on specific disorders in WM.
WS 350.2
Classify therapy of a particular disorder with the disorder.
WS 350.4
Play therapy
Cf. WM 450.5.P7 for play therapy with adults.
WS 350.5
Psychoanalytic therapy
WS 350.6
Behavior disorders. Development disorders. Neurotic disorders (General)
Classify works on particular neurotic disorders in WM 171-197.
WS 350.8
Special topics in child psychiatry, A-Z
WS 350.8.A4
Aggression. Violence. Dangerous behavior
WS 350.8.A8
Attention deficit disorder with hyperactivity
WS 350.8.D2
WS 350.8.D3
Defense mechanisms
WS 350.8.H9
WS 350.8.I3
Identity crisis
WS 350.8.I4
WS 350.8.P3
Personality disorders
WS 350.8.P4
Pervasive development disorders
Classify works dealing with adults and children here; adults alone at WM 203.5.
WS 350.8.R9
Runaway behavior
WS 350.8.S6
Social behavior disorders
Classify works on aggression in WS 350.8.A4.

Pediatric Specialties

WS 360
Pediatric gynecology (General)
WS 366
Pediatric therapeutics (General)
WS 368
Rehabilitation of disabled children

By Age Groups

WS 405
Birth injuries
WS 410
Premature infants. Diseases of premature infants
Classify here works on diseases of premature infants except for the three disease numbers in WS 312, WS 322, and WS 342.
WS 420
Newborn infants. Neonatology
WS 421
Diseases of newborn infants
Classify here works on diseases of newborn infants except for the three disease numbers in WS 312, WS 322, and WS 342.
WS 430
WS 440
WS 450
WS 460
Adolescence (General)

Adolescent Psychology. Adolescent Psychiatry

WS 462
Adolescent psychology. Adolescent behavior
WS 463
Adolescent mental disorders. Psychotherapy. Psychoanalysis. Psychoses.
Classify specific mental disorders with the disorder in WM.