Beissinger, M.H. (2001) “Martha Forsyth, Slushaĩ shterko, i dobre zampomni . Pecnite i zhivota na Linka Gekova Gergova ot selo Bistritsa Sofiĩsko”, FOLKLORICA - Journal of the Slavic, East European, and Eurasian Folklore Association, 5(2). doi:10.17161/folklorica.v5i2.3661.