Srednovekovnata bŭlgarska diplomat︠s︡ii︠a︡ /

by Angelov, Petŭr, 1951-, Angelov, Petŭr, 1951-, Angelov, Petŭr, 1951-, Angelov, Petŭr, Angelov, Petŭr, 1951-
Published 2011

Bŭlgarskata srednovekovna diplomat͡sii͡a /

by Angelov, Petur, 1951-, Angelov, Petŭr, Angelov, Petŭr, 1951-, Angelov, Petŭr, 1951-, Angelov, Petŭr, 1951-
Published 1988

Srednovekovna Bŭlgarii︠a︡ i neĭnite sŭsedi : diplomat︠s︡ii︠a︡ i vzaimni predstavi /

by Angelov, Petŭr, 1951-, Angelov, Petŭr, 1951-, Angelov, Petŭr, 1951-, Angelov, Petŭr, 1951-
Published 2017