Internet History Sourcebooks Project
Fordham University: Medieval Sourcebook: Baghdad
Fordham University gives a detailed description of Baghdad as the intellectual center of the Arab and later Islam culture. Gives details of important cultural and intellectual figures in Baghdad's history.
Islami City
Islami City: The Abbasids
An extensive description of the accomplishments and reforms brought about by the Abbasid rulers. Discusses many governmental and societal reforms.
Princeton University
Princeton University: The Abbasids (750 1517)
An article which discusses the changes that were brought about by the Abbasids. Includes a family tree and resources for more information.
Khan Academy
Khan Academy: Introduction to Islam
This short introduction to Islam covers the origins and the life of Muhammad the Prophet, the Qur'an, and the four "rightly-guided" Caliphs.