Rome and medieval culture selections from 'History of the City of Rome in the Middle Ages' /
Gregorovius, Ferdinand,1821-1891.
Morrison, Karl Frederick.
Hamilton, Annie.
Chicago London University of Chicago Press
1971
'History of the City of Rome in the Middle Ages' originally published in 8 vols, London: G. Bell, 1894-1902. - Translation of 'Geschichte der Stadt Rom im Mittelalter' 4.Aufl. Stuttgart: J.G. Cotta 1889? - 1903