Internet History Sourcebooks Project
Fordham University: Medieval Sourcebook: Inquisition
Article provides a detailed introduction to the inquisition as a legal proceeding rather than the Spanish relgio-secular institutional body that the word more often brings to mind.
Rice University
Galileo Project: Inquisition
The Galileo Project provides a broad overview of the Inquisition, a legal institution in the Catholic Church charged with the eradication of heresies.
Rice University
Galileo Project: Historical Overview of the Inquisition
This article defines an inquisition, which is a legal proceeding of the Catholic Church and not restricted to a particular institution such as the Spanish Inquisition.