Varna Province, Bulgaria
1854-1856
Varna, Bulgaria
21st May 1854
Lake Beloslav, Bulgaria
August 1854
Bulgaria
Devnya, Bulgaria
20th May 1854
Vidin, Bulgaria
1845
Kalotina, Sofia Province, Bulgaria
around 1820
1881
Balchik, Bulgaria
September 1854
19th century
1776
Tsarevets, Veliko Tarnovo, Bulgaria
1800