[Nathalie Kálnoky: The Szekler Nation and Medieval Hungary. Politics, Law and Identity on the Frontier] - Lessacher, Sonja (. Zeitschrift für Ostmitteleuropa-Forschung. - Marburg, L. : Verl. Herder-Inst., 1952-. - Online-Ressource. - ISSN 2701-0449 71, 2022)