"To 1393" . . "681 - 1018" . . "Bulgarie" . . "History" . "History"@en . . . . . . "A history of the First Bulgarian Empire" . . . . . . "History of the First Bulgarian Empire" . "A history of the first Bulgarian empire"@en . "A history of the first Bulgarian empire" . . "A history of the first Bulgarian Empire" . "A History of the first Bulgarian empire"@en . . . . "Istoriâ na P\"rvoto b\"lgarsko carstvo" . . . "A History of the First Bulgarian Empire. [With a bibliography and a map.]"@en . . "A History of the first Bulgarian Empire, by Steven Runciman" . "A history of the first Bulgarian empire. [With a map and a bibliography.]"@en . . . . . "Istorii︠a︡ na purvoto bŭlgarsko t︠s︡arstvo" . . "Istorii︠a︡ na pŭrvoto bŭlgarsko t︠s︡arstvo" . "Istoriâ na p\"rvoto b\"lgarsko carstvo" . . . . . . "History of the first Bulgarian Empire, 482-1019"@en . . . "First Bulgarian empire"@en . . . . . . . . "Bulgaria" . . "Bulgaria." . "Bułgaria" .