Издадени през 1850-1899 г.
Издадени през 1900-1949 г.
Pages from the Bulgarian cultural history
The American Board Mission in Bulgaria, 1878-1918: a study in purpose and procedure
Издадени през 1950-1999 г.
A Reinterpretation of Medieval Sources
The garden of the Panaghia
Pre-history of Asparouhian Bulgaria
On the occasion of 180th Anniversary of his Birthday