CSU-Pueblo Library uses the Library of Congress Classification System to organize the physical collection (Book, DVDs, VHS, Periodicals, etc).  Items are organized with a call number that begins with a letter A-Z.    The Library of Congress provides a list of these subjects on their webpage: Library of Congress Classification Outline.  You can get more detail by clicking on each letter. 

Library of Congress Classification

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