The purpose of compiling the Hexapla is disputed. Origen incorporated it in his "Hexapla". First Esdras is found in Origen's "Hexapla". In 1714 Montfaucon published the fragments of "Hexapla" of Origen. Origen wrote over 6,000 commentaries of the Bible in addition to his famous Hexapla. The Hexapla simply transliterates it as (). The system was developed by Aristarchus and notably used later by Origen in his Hexapla. The "Hexapla" was the cornerstone of the Great Library of Caesarea, which Origen founded. In 1896-1900, fragments of the Psalter from the Hexapla were discovered in the Cairo Geniza. Eusebius and Jerome (translator of the "Vulgate") used the Hexapla. The Hexapla had approximately 50 volumes and was stored in the Library of Caesarea.