Original sentence: Although the acts of several synods held between the seventh and thirteenth centuries were recorded (the fourteenth-century author `Abdisho` of Nisibis mentions the acts of the synods of Isho` Bar Nun and Eliya I, for example), most have not survived.Records of local synods convened at Dairin in Beth Qaraye by the patriarch Giwargis in 676 and in Adiabene in 790 by Timothy I have survived by chance, but the main sources for the Ummayad and ‘Abbasid periods are records in a number of historical works of the attendance of bishops at the consecration of successive patriarchs (in particular the histories of Mari, `Amr and liba)
Edited sentence: Although the acts of several synods held between the seventh and thirteenth centuries were recorded (the fourteenth-century author ‘Abdisho` of Nisibis mentions the acts of the synods of Isho` Bar Nun and Eliya I, for example), most have not survived.Records of local synods convened at Dairin in Beth Qaraye by the patriarch Giwargis in 676 and in Adiabene in 790 by Timothy I have survived by chance, but the main sources for the Ummayad and `Abbasid periods are records in a number of historical works of the attendance of bishops at the consecration of successive patriarchs (in particular the histories of Mari, `Amr and liba)