О овој сеоби на Монте Гаргано писала је нешто детаљније Nikolić Jakus, Zrinka у свом раду Slavs but not Slaves: Slavic Migrations to Southern Italy in the Early and High Middle Ages
http://darhiv.ffzg.unizg.hr/id/eprint/5916/http://darhiv.ffzg.unizg.hr/id/eprint/5916/1/slavs_but_not_slaves.pdfПреносим дијелове из њеног рада:
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Who were these Slavs and when did they settle at Monte Gargano? Andre Guillou considered their settlement as a consequence of the already mentioned intervention of Michael Višević in 926, which he explained as a result of the occupation of Michael's land by the Bulgarian emperor Simeon. Since Constantine VII Porphyrogenitus named them Serbs, Guillou also considered them as such,34 and in another article he even stated that they may have been fugitives from Rascia, perhaps fleeing from Simeon in the first quarter of the tenth century.35 Some Serbs (the ruling family included) are known to have come to Croatia while fleeing before Simeon at that time, but there is no evidence that any of them crossed or intended to cross the Adriatic.36 Branimir Gušić raised the question whether the Gargano settlers may have arrived there in the tenth century, and this is also the time-period suggested by Ferdo Gestrin, a Slovenian scholar who has written extensively about the Slavic settlement in South Italy in the Late Middle Ages.37 Jean-Marie Martin has argued that the settlers were more probably Narentan Slavs and not those of Hum, since the islands dominated by the Narentans are closest to the Gargano coast. In his opinion, the migration was a consequence of the raid undertaken by the Macedonian-Bulgarian ruler Samuel (Samuilo) along the eastern Adriatic coast, while previous Slavic invasions of the Italian coast had left no trace.38 Eventually, it should be mentioned that the seventeenth-century scholar Pompeo Sarnelli left a note
that the villages of Vico and Peschici were founded by Slavs who, under the command of Sueripolo Capitano, defeated the Saracens invading Gargano in 970. They were invited by Emperor Otto I, who afterwards rewarded them with land on the peninsula."
Ауторица у раду такође наводи и бројну словенску топономију, као и историјске изворе у којима се види да су досељени Словени на Монте Гаргану имали и неку врсту жупанске самоуправе. Овако закључује на крају рада:
"Nevertheless, toponomastic and onomastic traces indicate the presence of Slavs in a wider area of South Italy, and for the beginning of the eleventh century we can even talk of organized colonization (most likely of the Narentan Slavs) at Gargano, which resulted in at least two castella – Devia and Peschici – with a predominantly Slavic population, governed by a župan. Their self-government ended with the arrival of the Normans in 1054, which probably contributed to the already ongoing assimilation."