Early roman moasteries :
Ferrari, Guy
Early roman moasteries : notes for the history of the monasteries and convents at Rome from the V through the X century / Guy Ferrari - Città del Vaticano : Pontificio istituto di archeologia cristiana, 1957 - XXXVII, 455, VI S. : Ill. ; 26 cm
Early roman moasteries : notes for the history of the monasteries and convents at Rome from the V through the X century / Guy Ferrari - Città del Vaticano : Pontificio istituto di archeologia cristiana, 1957 - XXXVII, 455, VI S. : Ill. ; 26 cm