?anyone seeking an English-language account of 'power relations' in the Gregorian age may find 'Political Development of Rome: 1012-85' a useful substitute for Paolo Brezzi's magisterial 'Roma e l'impero medioevale, 772-1252' (Bologna, 1947). -- Paolo Squatriti, University of Michigan Speculum ...anyone seeking an English-language account of 'power relations' in the Gregorian age may find 'Political Development of Rome: 1012-85' a useful substitute for Paolo Brezzi's magisterial 'Roma e l'impero medioevale, 772-1252' (Bologna, 1947). -- Paolo Squatriti, University of Michigan Speculum