Internet History Sourcebooks Project
Fordham University: Medieval Sourcebook: Law and Justice
Excerpt from the "Cambridge Encyclopaedia of Islam" contains a description of how law and the Qu'ran work hand-in-hand. The law of the Qu'ran dictates all facets of life including commerce.
Other
Al Islam: Slavery in Ancient Times
This resource gives a history of slavery from pre-Islamic Times and its continuation under Islam.