трудовете

Arnaudov, Mihail. Ballad motifs in folk poetry - vol. I, S., BAS, 1964, 400 p. Dinekov, Petar. Bulgarian folk poetry. Notes - S., Science and Art, 1949, 180 p.; II revised and supplemented edition, S., 1963. Arnaudov, Mihail. On the question of the creators of the folk song. A gifted folk singer from Sofia - Izv. of the Institute for Literature, vol. IX, 1960. Dinekov, Petar. Folklore and the history of Bulgarian literature - Lit. thought, 1967, vol. 6. Petkanova, Donka. On the question of the connections of folklore with Bogomilism - Izv. of the Institute for Literature, vol. VI, 1958. 81-100. Chaika, Henrika (Poland). Some artistic features of Bulgarian folk songs - Lit. Misal, 1967, vol. 4.