Drinovski sbornik / Bălgarska akademija na naukite, Institut za istoričeski izsledvanija, Institut za balkanistika s Centăr po trakologija, Institut za etnologija i folkloristika s Etnografski muzej, Charkivski nacionalen universitet "V.N. Karazin", Centăr po bălgaristika i balkanski izsledvanija "Marin Drinov", Istoričeski fakultet Kafedra nova i naj-nova istorija = Drynovsʹkyj zbirnyk / Bolharsʹka akademija nauk, Instytut istoryčnych doslidženʹ, Instytut balkanistyky z Centrom po frakolohiï, Instytut etnolohiï ta folkʹklorystyky z Etnohrafičnym muzejem, Charkivsʹkyj nacionalʹnyj universytet imeni V.N. Karazina, Centr bolharystyky ta balkansʹkych doslidženʹ im. Maryna Drynova, Istoryčnyj fakulʹtet Kafedra novoï istoriï = Drynovsky sbirnyk / Bulgarian Academy of Sciences, Institute for Historical Studies, Institute of Balkan Studies with Centre of Thracology, Institute for Ethnology and Folklore Studies with Ethnographic Museum, V.N. Karazin Kharkiv National University, Мaryn Drynov Bulgarian and Balkan Research Centre, School of History, Department of Modern and Contemporary History