DimitrovMario, The Violin Concerto and its Development in Bulgaria, (Ph.D diss. Louisiana State University, 2006).
2.
LipariBlagomira Paskeleva, The Influence of Bulgarian Folk Music on Petar Christoskov's Suites and Rhapsodies for Solo Violin, (Ph.D. diss. Louisiana State University, 2004).
3.
RiceTimothy, Music in Bulgaria: Experiencing Music, Expressing Culture (New York: Oxford University Press, 2004).
4.
More about the dances, RachenitzaHoro, and others, may be learned in the recording, Anthology of Traditional Songs and Dances of Bulgaria (West Sessex, UK: ARC Music Productions, 2001.)