The first Book Of Isaiah

Davila had posted the Isaiah Scroll commentary this very morn. He asserts, from evidence elsewhere, we should be thinking of an Isaiah of 1-33 and then an Extension To Isaiah 34ff. Our Isaiah 34-5 belong to the second Isaiah. The 36-9 drop-in would then be done by the Extender.

The Great Isaiah Scroll 1QIsa^a may be the very autograph of our Isaiah - and of the Greek.

I might explain the Peshitta thus: Oriental Jewish traditions stubbornly held on containing only 1-33, inasmuch Zionism mattered less to the Diaspora. The Isaiah-to-Syriac project was done by Christians juggling between a Hebrew (or Bavli-Aramaic) 1-33 / 34f tradition and a Greek 1-29 / 30f tradition... and by then also Jewish copies of the G.I.S. what we simply know as Masoretic.

That Greek translator, for his part, never had a tradition of Isaiah 1-33 by itself, or if he did he abandoned it so started from scratch.