Pisma i drugi materiali.
By: Izdiril i podgotvil za pechat Dino K'osev.  Bŭlgarska akademii͡a︡ na naukite.  Institut za istorii͡a︡.
Contributors: Kʹosev, Dino G.
Publisher: Izd-vo na Bŭlgarskata akademii͡a︡ na naukite
Published: 1967
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 347
Notes: Bibliographical footnotes.