I believe, Alex, that the original ms is open to consult in situ and by request for research purposes. At least it was for much of the 20th century and early this century. Many extracts have been copied and published as well as a couple of earlier books claiming to represent the entire text. One of the main criticisms I've read about the new book is that there's nothing in it that hasn't been fully, accurately and publicly revealed in the past. Neil
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