books.google.co.il - The Aramaic papyri found on the island of Elephantine, Egypt (ancient Yeb, opposite Syene) come from the fifth century BC. They include letters, personal archives, public archives, the 'Words of Ahikar,' the Behistun inscription, accounts, and lists. Cowley provides here the Aramaic transcriptions...https://books.google.co.il/books/about/Aramaic_Papyri_of_the_Fifth_Century_B_C.html?hl=iw&id=T3FLAwAAQBAJ&utm_source=gb-gplus-shareAramaic Papyri of the Fifth Century B.C.