Diehl, Charles. The Cambridge Medieval History. Cambridge University Press, Cambridge, "1: Leo III and the Isaurian Dynasty (717-802)", p. 21. ISBN 9785872870395. Gearchiveerd op 12 december 2020. Geraadpleegd op 1 februari 2016 "... Tarasius ... skilfully put forward the project of an Ecumenical Council which should restore peace and unity to the Christian world. The Empress [...] summoned the prelates of Christendom to Constantinople for the spring of 786. ... Finally the Council was convoked at Nicaea in Bithynia; it was opened in the presence of the papal legates on 24 September 787. This was the seventh Ecumenical Council."
Schaff's Seven Ecumenical Councils: Introductory Note to Council of Trullo: "From the fact that the canons of the Council in Trullo are included in this volume of the Decrees and Canons of the Seven Ecumenical Councils it must not for an instant be supposed that it is intended thereby to affirm that these canons have any ecumenical authority, or that the council by which they were adopted can lay any claim to being ecumenical either in view of its constitution or of the subsequent treatment by the Church of its enactments.". Gearchiveerd op 9 februari 2023.
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Diehl, Charles. The Cambridge Medieval History. Cambridge University Press, Cambridge, "1: Leo III and the Isaurian Dynasty (717-802)", p. 21. ISBN 9785872870395. Gearchiveerd op 12 december 2020. Geraadpleegd op 1 februari 2016 "... Tarasius ... skilfully put forward the project of an Ecumenical Council which should restore peace and unity to the Christian world. The Empress [...] summoned the prelates of Christendom to Constantinople for the spring of 786. ... Finally the Council was convoked at Nicaea in Bithynia; it was opened in the presence of the papal legates on 24 September 787. This was the seventh Ecumenical Council."
Schaff's Seven Ecumenical Councils: Introductory Note to Council of Trullo: "From the fact that the canons of the Council in Trullo are included in this volume of the Decrees and Canons of the Seven Ecumenical Councils it must not for an instant be supposed that it is intended thereby to affirm that these canons have any ecumenical authority, or that the council by which they were adopted can lay any claim to being ecumenical either in view of its constitution or of the subsequent treatment by the Church of its enactments.". Gearchiveerd op 9 februari 2023.
