Idejata Dăržaven muzikalen teatăr i proekcijata j v nacionalnija repertoar do kraja na XX vek - Karakostova, Rumjana 1951- (Mars 09, 2012)
In kyrill. Schr., bulg. - Zsfassung in engl. Sprache u.d.T.: The State National Theater idea and its projection onto the national repertoire up to the end of the 20th century