Bǔlgarski knigopis za sto godini, 1806-1905 /
Teodorov-Balan, Aleksandǔr,1859-1959.
Bŭlgarska akademii︠a︡ na naukite.
Vaduz : Kraus Reprint,
1963.
In Cyrillic characters.
Reprint of the 1909 ed. published by Dǔrzh Pechatnit︠s︡a, Sofii︠a︡.