Burgas

Wenzel Edler von Brognard – 1786;

Claude-Charles de Peyssonnel – the third quarter of the 18^th century;

Minas Pajashkian – 1808;

Helmuth Karl Bernhard Graf von Moltke – 1829;

Eneholm – 1829;

Ignace Xavier Morand Hommaire De Helle – 1846;

Petko R. Slaveikov – 1869;

James Baker – 1874;

Konstantin Josef Jireček – 1884;

Anton Strashimirov – 1896, 1899.