Goljamata vojna i Bălgarskata straža meždu Sredna Evropa i Orienta 1916 - 1919 g. - Markov, Georgi 1946- (Akad. Izdat. "Prof. Prof. Marin Drinov", 2006)
PST: The Great War and the Bulgarian guard between Central Europe and the Orient. - In kyrill. Schr., bulg. - Zsfassung in engl. Sprache