Catalogue of Textual Variants in the Great Isaiah Scroll

 

Interpreter just posted a very useful article, one that refutes the naive view that the Great Isaiah Scroll shows a near-perfect preservation of the book of Isaiah:

 

Donald W. Parry, The Great Isaiah Scroll (1QIsa^a)--Catalogue of Textual Variants (PDF)

Another useful article is that of Michael S. Heiser, Letter Differences in Isaiah 52:13-53:12