Osero, 358.
Ostia, 365, 366, 367, 368, 444, 445, 446, 453, 454.
Osra (?), II. 185.
Otranto, 183, 185, 437; II, 171, 172, 177, 243, 244, 252, 316, 431; III, 108, 116, 609.
Oxford, XLIII, XLIV, XLV, XLVI, XLVIII, XLIX, LIII; II, 467.
Oxford (biblioteca Bodlejana di), III, 701.
P
Pace (porta della), II, 156.
Pachino, 100; II, 435, 448.
Padova, III, 803.