| Language and Culture Under the Carpathian Mountains from the Point of View of Slovak-Czech researches |
| Bulgarian-Slovak Interlingual Homonymy in the Context of Slavic Languages |
| Polish-Slovak-Bulgarian Lexical Confrontations |
| The Bulgarian-Slovak Dictionary Volume III |
| Bulgarian-Slovak Dictionary (Volume II) |
| Cyrillo-Methodian Heritage in the Czech and Slovak Cultural Milieu |
| Cyrillo-Methodian Cultural Heritage and National Identity of Bulgarians and Slovaks II |
| Cyrillo-Methodian Message and National Identity of Bulgarians and Slovaks |
| Narrative Everyday Life in Historical, Ethnological, and Linguistic Perspective |
| Slovak-Ukrainian Language, Cultural, and Ethnic-Confessional Relations |
| Feast of Saints Cyril and Methodius (Bulgarian-Slovak Parallels) |
