But the growth of a united Sicilian nation was impossible; the usual style to express the inhabitants of the island is "omnes" or "u n iversi Siciliae populi."
Of the various "Siciliae populi," we hear of Greeks, Saracens, Lombards, sometimes of Franci, for by that time there were many French-speaking settlers in Sicily who were not of Norman descent.
Poli, Testacea utriusque Siciliae, eorumque historic et anatome, tabulis aeneis 49 illustrate, vols.
This secured the king's object; on the 25th July the pope invested him as " Rex Siciliae ducatus Apuliae et principatus Capuae."
Principal writings are: Germania Antiqua (1616), Siciliae Antiquae libri duo, Sardinia et Corsica Antiqua (1619), and the posthumous Italia Antiqua (1624) and Introductio in Universam Geographiam (1629).