Dr. Youssef Ziedan for Heritage and Manuscripts 
An online resource for researchers in the field of manuscripts and heritage maintained by the Director of the Manuscripts and Acquisitions Administration at the Bibliotheca Alexandrina. Includes catalogs, audio and visual materials, lectures and discussion forums.
http://ziedan.com/Egypt 
An account of Islamic rule in Egypt in the period 960-1517, covering the Fatimids, Ayyubids and Mamluks.
http://www.ucalgary.ca/applied_history/tutor/islam/fractured/egypt.html
Islam 
An on-line book by Richard Hooker, of Washington Sate University; covers the history of Islam, from pre-Islamic times through to the Abbassid dynasty.
http://www.wsu.edu/~dee/ISLAM/ISLAM1.HTM
Islam Chronology 
A chronology of Islam, from c570 to 2001. Includes some source material, and articles on various historical periods.
http://campus.northpark.edu/history/WebChron/Islam/Islam.html
Islamic Arts and Architecture 
Chronological highlights of Muslim history, divided according to dynasties.
http://islamicart.com/library/history/
Islamic Caliphate 
Profiles of the major and minor Muslim dynasties, form the Islamic Dictionary.
http://dictionary.al-islam.com/Eng/Dicts/SelDict.asp?Lang=Eng&DI=66&Theme=18
Rizwi's Bibliography for Medieval Islam 
A classified bibliography of books and articles for students of Muslim history (primarily of mediaeval Islam).
http://us.geocities.com/rfaizer/
Medieval Islamic Cultures 
A resource aimed at secondary age school pupils about the Muslim world and culture of the Middle Ages.
http://www.sfusd.k12.ca.us/schwww/sch618/Islam_New_Main.html