Barnard Classification of library books
- A. REFERENCE
- A. Encyclopedias
- AA. Dictionaries
- AB. Scientific and medical dictionaries
- AC. Directories
- AR. Education, Teaching
- B. NATURAL SCIENCE
- BA. Scientific literature
- BB. Statistics
- BC. Chemistry
- BCB. Biochemistry
- BCC. Clinical chemistry
- BD-BF. Nutrition, Malnutrition
- BI. Microscopy
- BJ. Biology
- BJC. Molecular biology
- BJS. Evolution
- BJT. Genetics
- BJX. Ecology
- BK. Botany
- BL. Zoology
- BM. Anatomy
- BN. Histology
- BQ. Physiology
- C. INTERNAL MEDICINE
- CBA. Medical education
- CBE. Medical ethics
- CBN. General practice
- CBP. Group practice
- CBX. Nursing, Community health care
- CZ. Traditional medicine, Medicinal plants
- D. HISTORY OF MEDICINE
- E. EPIDEMIOLOGY, DEMOGRAPHY
- EA. Disease ecology
- EB. Epidemiology
- EC. Disease surveillance
- EH. Demography
- EK-EL. Mortality
- EP-ET. Medical geography
- EV. Human ecology
- G. TOXICOLOGY
- GK. Food poisoning
- GL. Venomous animals
- H. IMMUNOLOGY, INFECTIOUS DISEASES
- H-HD. Immunology
- HG. Immunolodiagnosis, Serology
- HI. Vaccination
- HW. Infectious diseases
- I. MYCOLOGY, MYCOSES
- J. MICROBIOLOGY, BACTERIOLOGY
- JC. Mycobacteria, Tuberculosis
- JD. Leprosy
- JI. Gonorrhea
- JJ. Bacterial meningitis
- JK. Cholera
- JM. Tetanus
- JN. Plague
- JP. Brucellosis
- JS. Salmonelloses
- JX. Treponematoses
- JYC. Lyme disease
- JZ. Leptospiroses
- K. VIROLOGY
- KA-KF. Rickettsioses
- KG. Chlamydia
- KGJ. Trachoma
- KI. Smallpox
- KK. Rabies
- KP. Arboviral diseases
- KPA. Yellow fever
- KPD. Dengue
- KPH. Hemorrhagic fever
- KQ. Encephalitis
- KR. Retroviruses
- KRC. HIV, AIDS
- KS. Hepatitis
- KT. Poliomyelitis
- L. GENERAL PARASITOLOGY
- LA. PROTOZOOLOGY
- LC. Babesiasis
- LCT. Theileriasis
- LD. Coccidiasis
- LDC. Cryptosporidiasis
- LDP. Pneumocystosis
- LE. Toxoplasmosis
- LF. Malaria
- LL. Amebiasis
- LN. Sleeping sickness
- LNX. Animal trypanosomiasis
- LP. Chagas’ disease
- LQ. Leishmaniasis
- LV. Giardiasis, Trichomoniasis
- M. HELMINTHOLOGY
- MH. Schistosomiasis
- MK. Echinococcosis, Cysticercosis
- MQ. Ascariasis
- MQS. Strongyloidiasis
- MR. Ankylostomiasis
- MS. Filariases
- MU. Onchocerciasis
- MV. Trichinelliasis
- MW. Angistrongyloidiasis
- N. ENTOMOLOGY
- NB. Ectoparasites
- NC. Vector-borne diseases
- ND. Vector control
- NDI. Insecticides
- NDY. Biological control
- NG. Mites
- NGT. Ticks
- NK. Bugs
- NL. Flies
- NO. Mosquitoes
- NP. Simuliidae
- NT. Tsetse flies
- O. INTERMEDIATE HOSTS
- P. PATHOLOGY, HEMATOLOGY
- PM. Cancer
- PY. HEMATOLOGY
- PYB. Blood groups
- PYE. Blood transfusion
- PYH. Anemia
- PYHR. Hemoglobinopathies
- PYHS. Sickle cell anemia
- PYK. Nutritional anemias
- Q. DIAGNOSIS
- QD. Clinical medicine
- QH-QM. Laboratory medicine
- QR. Radiology, Ultrasound
- R. PHARMACOLOGY, THERAPEUTICS
- RJ. Pharmacology, Pharmacopeias
- RN. Therapeutics, Chemotherapy
- RNA. Clinical trials
- RNR. Drug resistance
- RS. Drug supply & supply
- S. HYGIENE, PUBLIC HEALTH
- SA-SC. Environmental hygiene
- SD. Water hygiene & sanitation
- SJA. Disaster relief, Refugee care
- SO. Public health
- SOA. Organizations, Interventions
- SOB. Health information
- SOC. Health evaluation
- SOCA. Health research
- SOD. Health economics
- SOE. Health financing, Insurance
- SOF. Health manpower
- SOG. Hospitals, Health centers
- SOH. Health education
- SON. Medical sociology, Anthropology
- SOP. Migrants health
- SP. Preventive medicine
- SPA. Disinfection
- SPZ. Hospital infections
- SQQ. Health care for disabled
- SQR. Occupational health
- SS. Travel health
- ST. Urban health
- SW. Naval health
- U. MEDICAL SPECIALTIES
- UB-UBR. Tropical medicine
- UH. Cardiology
- UI. Neurology
- UJ. Psychiatry
- UK. Ophthalmology
- UL. Oto-rhino-laryngology
- UO. Respiratory diseases
- UP. Gastroenterology
- UPT. Enteric infections, Diarrheal diseases
- UQ. Endocrinology
- UR. Dermatology
- US. Urology
- UT. Sexology
- UTH. Fertility
- UTT. Family planning
- UTU. Sexually transmitted diseases
- UV. Gynecology
- UW. Obstetrics
- UWB. Midwives
- UWE. Mother and child health
- UX. Pediatrics
- V. SURGERY
- VG. Anesthesia
- W. ORAL HEALTH
- X. VETERINARY SCIENCES
- XBM. Anatomy
- XC. Veterinary medicine
- XCZ. Traditional veterinary medicine
- XE. Epizootiology
- XH. Immunology
- XHW. Infectious diseases
- XJ. Microbiology
- XK. Virology
- XL. Parasitology
- XLA. Protozoology
- XM. Helminthology
- XN. Entomology
- XO. Zoonoses
- XP-XQ. Laboratory diagnosis
- XS. Hygiene
- XSB. Farm buildings
- XSP. Milk production and hygiene
- XSQ. Meat production and hygiene
- XW. Animal husbandry
- XWD. Nutrition, Pastures
- XXB. Cattle
- XXN. Small ruminants
- XXO. Pigs
- XXU. Poultry
- XXW. Bees
- YXY. Fisheries
- XXZ. Wild animals
- XZ. Laboratory animals
- Y. AGRICULTURE
- YA. Agriculture
- YC. Field crops
- YEP. Rangeland, Pastures
- YH. Pest control
- Z. GEOGRAPHY, SOCIOLOGY …
- ZB. Geography
- ZI-ZR. Anthropology
- ZV-ZVL. Sociology
- ZVM. Development
- ZVN. Appropriate technology
- ZVO. Economics
- ZVU. Management
- ZY. Population issues