Vocelka Karl: Lajos Tardy, Beyond the Ottoman empire. 14th-16th century Hungarian diplomacy in the east. Transl. by János Boris (Studia Uralo-Altaica, 13.) Szeged, 1978 : Buchbesprechung. In: Mitteilungen des Österreischen Staatsarchivs. pp. 513-514. (1982)