Messico (Nuovo), [21].
Messico (Golfo del), [1], [2], [3], [9], [10], [11], [12], [14], [15], [19], [21], [25], [37], [197], [264], [271], [272], [279], [396], [397].
Mezzaluna, nave, [196].
Mezzi di comunicazione e trasporto, [231-32].
Michigan, lago, [10].
Michigan, stato, [364].
Minnewit Pietro, [202-203].
Minorca, [343].
Minute men, [326-27].
Mississippi, fiume, [2], [3], [9], [10], [11], [12], [13], [19], [21], [24], [25], [35], [264], [271], [275], [279-80], [292], [344], [345], [396], [397].