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