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When were the writings known as Trito-Isaiah composed?
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Isaiah
Miniature of Isaiah, manuscript illumination from The Siegburg Lectionary, 12th century.
The writings known as Trito-Isaiah (chapters 56–66 of the Book of Isaiah) were composed after the return of the Jewish exiles to Jerusalem following the Babylonian Exile, which occurred after 538 BCE.1
These chapters reflect a Palestinian point of view and are specifically addressed to the cultic concerns of the restored community. Because the materials within these chapters are diverse, scholars suggest they are the result of multiple authorship. While the canonical Book of Isaiah likely reached its final form during the 4th century BCE, Trito-Isaiah specifically originates from the period following the return from exile.21