Translated by David Burr and provided by the Medieval Sourcebook.

An introduction to the origins of the Inquisition by David Burr.

Text of the Inquisition's charges against Galileo Galilei, provided by the Modern History Sourcebook.

A short history from an esoteric perspective.

Extensive collection of documents from the Spanish Inquisition, maintained at the University of Notre Dame in South Bend, Indiana.

Article outlining the origins of the Inquisition and its Spanish and Roman variants.