Thomas Aquinas and Big Bang Cosmology - The development of theological implications of scientific work on origin of the universe. Christianity and the Mathematical Sciences - the Heliocentric Hypothesis - Religious influences on Copernicus, Galileo, Brahe and Kepler. The Copernican Revolution - Brief historical chronology of the development and acceptance of heliocentricity. History of Cosmology - An overview from the MacTutor History of Mathematics archive. A Brief History of Cosmology - A review by David Wands of the development of cosmology, starting with the Babylonians. As the World Turned - History of sun-centered astronomy, includes original work of Galileo, Copernicus, others History and Philosophy of Twentieth Century Cosmology - Paper presented at an Italian national conference in 1996, with references. The Shapley - Curtis Debate in 1920 - The "great debate" about the scale of the universe and the nature of spiral nebulae.