Targum pseudo jonathan dating
First, the mostly literal Targum Onqelos was composed during the 1st or 2nd century , combining literal translation with much additional material.Targum Neofiti and the fragments of more than forty other versions (none exactly the same) indicate its widespread use.
There are indicators that suggest, although admittedly they do not prove, that Targum Onkelos could not have been composed in the second century.
ammad 'constructed' Islam from several sources: Judaism, Christianity, Sabeanism, Zoroastrianism, paganism, etc.
In the chapter dealing with the Jewish sources of the Qur'an, Tisdall proposes that different parts of the story of Cain and Abel as narrated in the Qur'an were borrowed from the Jewish sources such as "Targum of Jonathan and Targum of Jerusalem", "Pirqey Rabbi Eli'zer" and "Mishnah Sanhedrin".
(know as Targum Jonathan in rabbinic bibles, but referred to as Yerushalmi I in Jastrow's dictionary of rabbinic Hebrew and Aramaic); an eighth century CE composition incorporating earlier midrashic and targumic material : a targum used in Eretz-Israel and the west, built on the basis of Onqelos but adding extensive midrashic exposition, finalized only in the Byzantine era (Jastrow: Yerusalmi II).
Prior to the 1950's it was known only from fragments preserved in what are called the "fragment targums" and in fragmentary pages from the Cairo Genizah.