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Galileo Galilei and the Roman Curia, Karl Von Gebler, Richawood Publishing Co., Merrick, NY, 1977

Galielo Galilei TOward a Resolution of 350 Years of Debate -- 1633-1983, Paul Cardinal Poupard, ed., Duquesne Univ. Press, Pittsburgh, PA, 1987

Inquisition, Edward Peters, THe Free Press, NY, NY, 1988

The Inquisition, A.L. Maycock, Constable & Co., London, England, 1926

Galileo, Science, and the Church, Jerome J. Langford, University of Michigan press, Ann Arbor, MI, 1966