After having long lain in oblivion, the works of Euthalius were published in Rome, in 1698, by Lorenzo Alessandro Zaccagni, Prefect of the Vatican Library. They are embodied in the first volume of his Collectanea Monumentorum Veterum Ecclesiæ Græcæ ac Latinæ.
The publication of Euthalius' works in Rome in 1698 marked a significant event.  Lorenzo Alessandro Zaccagni, the Prefect of the Vatican Library, played a crucial role in bringing these historical writings to light. The collection is housed within his "Collectanea Monumentorum Veterum Ecclesiæ Græcæ ac Latinæ."