Slavi︠a︡nskiĭ i balkanskiĭ folʹklor /
kenogradova, L. N.(Li︠u︡dmila Niokolaevna)
Smirnov, I︠U︡riĭ Ivanovich.
Sheptunov, I. M.
Moskva :  Nauka, 
1971.
Folk-lore, Slavic.
Folklore, Balkan.