Massa avvocato, [234].
Massari Giuseppe, 334.
Matteucci Carlo, [214].
Mayer Enrico, [60], [75], [131], 156, [157], 161, [170], [174], [180], [185], [197], [198], [205], [217], [227], [229], [248], [253], [265].
Mazzatinti Giuseppe, 6.
Mazzini Giuseppe, [IX], [118], [119], [120], [129], [193], [198], [239], [244], [247], [260], [263], [272], [284], [370].
Mazzoni Guido, 196, 271, [329].
Medici Michele, [384].
Medici (De') monsignor Lavinio, [210].
Melchiorri Giuseppe, [185].