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GRANT, NEIL.  ROMAN CONQUESTS. NORTH BELLMORE:MARSHALL CAVENDISH CO. , 1991.

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COMPTURE LEARNING COMPANY. U.S.A:  DIVISION OF ENYCLOPEDIA. .,1990

THREE PICTURES OF ANCIENT ROMAN RUINS WHERE THERE USED TO BE  CHURCHES OR COLLACIUMS. [ONLINE IMAGE] http://www.usu.edu/~history/fran/pictures6.html SEEN ON THE DATE OF FEBRUARY 10, 2000.