"Bulcsú's visit to Byzantium in 948", în: László Makkai, From the Hungarian conquest to the Mongol invasion. Subcapitolul The Hungarian settlement of Transylvania. Subsubcapitolul The land of the Gyulas
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Cronica lui Anonymus la Wikisource: [1]; titlul original: Chronicon Anonymi Bele Regis Notarii Gesta Hungarum
