“János M. Bak, Martyn Rady (Hrsg.), Magistri Rogerii Epistola in miserabile carmen super destructione regni Hungarii per Tataros facta / Master Roger’s Epistle to the Sorrowful Lament upon the Destruction of the Kingdom of Hungary by the Tartars” (2011) Zeitschrift für Ostmitteleuropa-Forschung, 60(2), pp. 317–318. doi:10.25627/20116029218.