Petŭr Beron : izsledvanii︠a︡ i materiali /

Sofii︠a︡ : Bŭlgarska akademii︠a︡ na naukite, 1962

Dvi︠e︡ neizdadeni bŭlgarski moneti /

by Mushmov, Nikola A., 1869-1942
Sofii︠a︡ : T︠S︡arska pridvorna pechatnit︠s︡a, 1913

Antique coins, struck and in circulation in the Bulgarian lands /

by Gerasimov, Todor Dimitrov, 1903-
Sofia [Bulgaria] : Septemvri Pub. House, 1977

Semeen arkhiv na Khadzhitoshevi /

Sofii︠a︡ : Izd-vo na Bŭlgarskata akademii︠a︡ na naukite, 1984

D-r Ivan Seliminski, kato uchitel, lekar i obshtestvenik.

by Kristanov, T︠S︡vetan
Sofii︠a︡ : Bŭlgarska akademii︠a︡ na naukite, 1962

Pŭtevoditel na T︠S︡entralnii︠a︡ dŭrzhaven istoricheski arkhiv /

Sofii︠a︡ : Nauka i iskustvo, 1970

Za teb, mili rode! /

by Danov, Kh. G. (Khristo Gruev), 1828-1911
Plodviv : Izd-vo "Khristo G. Danov,", 1968