Reference Shelf

U.S. State and Territory Online Encyclopedias

This collection of free, authoritative source information about the history, politics, geography, and culture of the states of Alabama, Alaska, Arkansas, Connecticut, Georgia, Louisiana, Maryland, Nevada, Oregon, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, and West Virginia and the territories of Puerto Rico and Guam; updated regularly to ensure that they are accurate and accessible. The editors are continually adding new entries, photographs, and maps so check back frequently to see what's new. New states and territories will be added when they become available.


Alaska History and Cultural Studies

Arkansas History and Culture

Connecticut History



Mass Moments


Nevada Encyclopedia 

North Carolina (digitial textbook)             

       Oklahoma History & Culture

Oregon Encyclopedia

Pennsylvania History

Puerto Rico Encyclopedia 

South Carolina Encyclopedia

Tennessee Encyclopedia of History and Culture

Texas Online


Washington State

West Virginia Encyclopedia