Regions, borders, societies, identities in Central and Southeast Europe, 17th-21st centuries : collected studies /

Budapest : Sofia : Institute of History, Research Centre for the Humanities, Hungarian Academy of Sciences : Bŭlgarska akademii︠a︡ na naukite : Hungarian-Bulgarian Joint Academic History Comission, 2013

Bulgaria and Hungary at war (1912-1918) : collected studies /

Sofia ; Budapest : MTA Történettudományi Intézet : Hungarian-Bulgarian Joint Academic History Comission, 2013