Avraam Moshe Tadjer published his Notas istorikas sovre los djudyos de Bulgaria i la komunita de Sofya in Judeo-Spanish and Rashi script in 1932. The work is an essential document for the history of this Sephardic community and one of the last Judeo-Spanish texts published in Bulgaria before World War II. This book offers a critical edition of Notas istorikas preceded by a detailed cultural-historical and linguistic study.