The 'Double Revelation' Approach to Knowledge: Aquinas, Galileo and Descartes
Tyler, DJ. 1997.  Origins-BCS 23:2-6. CELD ID 10865

Abstract
The history of science provides numerous examples of scholars in the Christian tradition who have sought to clarify the relationship between science and faith. Very early in this process, people were found advocating what is now called the 'Double Revelation' or 'Two Books' approach.