• A - GENERAL WORKS
  
• B - PHILOSOPHY. PSYCHOLOGY. RELIGION
  
• C - AUXILIARY SCIENCES OF HISTORY
  
• D - HISTORY (GENERAL) AND HISTORY OF EUROPE
  
• E - HISTORY: AMERICA
  
• F - HISTORY: AMERICA
  
• G - GEOGRAPHY. ANTHROPOLOGY. RECREATION
  
• H - SOCIAL SCIENCES
  
• J - POLITICAL SCIENCE
  
• K - LAW
  
• L - EDUCATION
  
• M - MUSIC AND BOOKS ON MUSIC
  
• N - FINE ARTS
  
• P - LANGUAGE AND LITERATURE
  
• Q - SCIENCE
  
• R - MEDICINE
  
• S - AGRICULTURE
  
• T - TECHNOLOGY
  
• U - MILITARY SCIENCE
  
• V - NAVAL SCIENCE
  
• Z - BIBLIOGRAPHY. LIBRARY SCIENCE. INFORMATION RESOURCES (GENERAL)

Go to Library of Congress Classification System page for detailed information.

If you are wondering what subject heading to look under to find material for your topic, check out the Library of Congress Subject Headings books located on the high long tables on the main floor of the library. These tables are behind the row of filing cabinets near the curriculum collection. These big red books are the most comprehensive list of subject headings in print in the world. To get a picture of this 5 volume set, please go to Library of Congress Subject Headings page.