1 15
Title | Author(s) | ISBN | Year | Chronicle of the holy city of Perperikon [книга] | Ovcharov, Nikolay Dimitrov | 954-9308-89-8  | 2005  |
Diez perlas de la corona de Bulgaria [книга] | Ovcharov, Nikolay Dimitrov | 954-9308-73-1,978-954-9308-73-0  | 2005  |
Dix perles de la couronne de Bulgarie [книга] | Ovcharov, Nikolay Dimitrov | 954-9308-21-9  | 2004  |
From Zlatograd to Perperikon [книга] | Ovcharov, Nikolay Dimitrov | 978-954-579-637-1  | 2007  |
From the sacred city of Perperikon to the Great Royal Tyrnovo [книга] | Ovcharov, Nikolay Dimitrov (автор, фотограф) | 978-619-7629-01-9  | 2021  |
Geschichte Bulgariens kurzer Abriss [книга] | Ovcharov, Nikolay Dimitrov | 954-516-584-7,978-954-516-584-9  | 2006  |
L`histoire la plus breve de la Bulgarie [книга] | Ovcharov, Nikolay Dimitrov | 954-516-656-8,978-954-516-656-3  | 2006  |
Medieval Bulgarian empire [графично изд.] | Ovcharov, Nikolay Dimitrov | 954-516-637-1,978-954-516-637-2Подв.  | 2006  |
Perperikon [книга] | Ovcharov, Nikolay Dimitrov | 954-500-139-9Подв.  | 2005  |
Perperikon [карта] | Ovcharov, Nikolay Dimitrov (автор, фотограф) | 954-9914-06-2  | 2005  |
Perperikon - a Civilization of the Rock People [книга] | Ovcharov, Nikolay Dimitrov | 954-500-140-2Подв.  | 2005  |
Ten pearls from the crown of Bulgaria [книга] | Ovcharov, Nikolay Dimitrov | 954-9308-70-7,978-954-9308-70-9  | 2005  |
Ten pearls from the crown of Bulgaria [книга] | Ovcharov, Nikolay Dimitrov | 954-9308-19-7  | 2004  |
The Warrior Saints in Old Bulgarian Art [книга] | Ovcharov, Nikolay Dimitrov | 954-8761-39-4  | 2003  |
The sacred city of Perperikon [книга] | Ovcharov, Nikolay Dimitrov (автор, фотограф) | 954-579-257-4  | 2004  |