Book Classification

Finding Print Books or Monographs in the LSUHSC Libraries

The LSUHSC Libraries uses the National Library of Medicine System of Classification to organize books by subject. Each Call Number corresponds to a specific subject.


To browse books, identify the subject you need below and then go to that section:


Preclinical Sciences
Medicine and Related Subjects
  • W      Health Professions
  • WA    Public Health
  • WB    Practice of Medicine
  • WC   Communicable Diseases
  • WD   Disorders of Systemic, Metabolic or Environmental Origin, etc.
  • WE    Musculoskeletal System
  • WF    Respiratory System
  • WG   Cardiovascular System
  • WH   Hemic and Lymphatic Systems
  • WI     Digestive System
  • WJ    Urogenital System
  • WK    Endocrine System
  • WL    Nervous System
  • WM   Psychiatry
  • WN   Radiology, Diagnostic Imaging
  • WO   Surgery
  • WP    Gynecology
  • WQ   Obstetrics
  • WR    Dermatology
  • WS    Pediatrics
  • WT    Geriatrics, Chronic Disease
  • WU    Dentistry, Oral Surgery
  • WX    Hospitals and Other Health Facilities
  • WY    Nursing
  • WZ    History of Medicine

Updated January 2026