Tārīḫ ḥarb al-Balqān al-ūlā baina 'd-Daula al-ʿAlīya wa-'l-Ittiḥād al-Balqānī : al-muʾallaf min al-Bulġār wa-'ṣ-Ṣirb wa-'l-Yūnān wa-'l-Ǧabal al-Aswad / bi-qalam Yūsuf al-Bustānī