This thesis presents a philological and content analysis of the Arabic manuscriptrnMisk al-A&,ar ji Manaqib Say! al-lfaqq al-Sayo Ja 'jar Sidd"iq Bukko (ThernPungent Musk on the deeds of SaYD Ja 'far SiddTq Bukko, the sword of truth)rnwritten by FaqTh Mul)ammad, the youngest son of SaYD Ja 'far. The manuscriptrnand the thesis deal with the life and times of an outstanding 19th-century Sufirncleric, scholar and religious revivalist of Wallo, SaYD Ja 'far Bukko. Misk alA&,rnar is a hagiographical work dealing with SaYD Ja ' far and his contemporaries,rnalong with many other associated events that happened at that time in and aroundrnthe region where the SaYD lived. Moreover, this research investigates SaYDrnJa'far 's religious reform activities directed against the traditional religious andrnsecular authorities of the region. To this end, SaYD Ja 'far fought against EmperorrnTewodros II who ravaged Wallo in the second half of the 19th century.rnAccordingly, this study describes the philological and content feature of thernmanuscript, Misk al-A&,ar, including translation and analysis of selected portionsrnof the ms that deal with the social and political history of 19th century Wallo