* Quattuor Evangeliorum Consonantia - The Latin harmony of the Gospels (1)* Quattuor Evangeliorum Consonantia - The Latin harmony of the Gospels (2)* Text of Arabic and Latin Translations of Diatessaron* Diatessaron wiki
* Quattuor Evangeliorum Consonantia – The Latin harmony of the Gospels (1) (not in English)* Quattuor Evangeliorum Consonantia – The Latin harmony of the Gospels (2) (not in English)* The Dura fragment of the Diatessaron (from the Internet Archive)* Text of Arabic and Latin Translations of Diatessaron* Diatessaron wiki