Ibn Sina 
From the Islamic World to 1600 Tutorial, a multimedia introduction to the first millennium of Islamic history, developed by the Applied History Research Group.
http://www.ucalgary.ca/applied_history/tutor/islam/learning/ibnsina.htmlEncyclopedia of Islam: Ibn Sina
Article covering Avicenna's life, work and influence, supplemented with an extensive biography.
http://www.muslimphilosophy.com/sina/
Avicenna
Biographical study, placing particular emphasis on Avicenna's historical context and his mathematical and scientific thought.
http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Avicenna.html
The Window: Avicenna
Concise biography, focusing on the main points of Avicenna's career.
http://www.trincoll.edu/depts/phil/philo/phils/muslim/sina.html
Avicenna
Entry from the "Encyclopaedia of the Orient".
http://lexicorient.com/e.o/avicenna.htm
Kitab al Qanoun fi al Toubb
Online text of Ibn Sina's "The Book of the Canon of Medicine", in Arabic; includes a biographical note by Abd al-Rahman al Naqib, of Mansoura University, Egypt. Provided by the American University of Beirut.
http://almashriq.hiof.no/ddc/projects/saab/avicenna/
Ibn-Sina on the Human Soul
An excerpt by this philosopher, supplemented with an introductory study, notes, and original Arabic text. Furnished by Joseph Kenny.
http://www.diafrica.org/kenny/phil/SinaSoul.htm
Memoirs of Popular Delusions: Avicenna
Passage on this thinker and his relation to alchemy, by Charles Mackay.
http://www.worldwideschool.org/library/books/relg/socialeccltheology/MemoirsofPopularDelusionsV3/chap5.html
