"Literatura búlgara Traducciones Bibliografías." . . "Bulgaria" . . . . . . . . . . . . . "Bulgarian folklore, Folk Beliefs, customs, folksongs, personal names" . . . . . . . . "Bibliography" . . . . . . . . . . "Bulgarian folklore : folk beliefs, customs, folksongs, personal names" . . . . . . "Bio-bibliography" . . . "Bulgarian folklore"@en . "Bulgarian folklore" . . "Bulgarian folklore. Folk beliefs, customs, folksong, personal names" . . . "Bulgarian folklore : folk beliefs, customs, folk-songs, personal names"@en . . . . . . . . . . "Bulgarian folklore, folk beliefs, customs, folksongs, personal names" . "Bulgarian folklore, folk beliefs, customs, folksongs, personal names"@en . . . . . . "Bulgarian Folklore" . . . . "Bulgarian folklore and fine literature" . "Bulgarian folklore and fine literature"@en . . . "Bulgarian literature Bio-bibliography." . . "Folklore Bulgaria Bibliografías." . . "Folclore Bulgaria." . . "nom de personne Bulgarie." . . "tradition populaire Bulgarie." . . "Bulgarian literature Translations Bibliography." . . . . "Folklore Bulgaria Bibliography." . . "chanson bulgare." . . "Bulgarisch." . . "Volksliteratur." . . "Literature and folklore Bulgaria Bibliography." . . "Literatura búlgara Biobibliografías." . .