Tvedtness writes:
Like others before him, Wright believes that Joseph Smith drew directly from the KJV when dictating the Book of Mormon, rather than translating from plates. Some Latter-day Saint scholars would disagree with this assessment, based both on the probability that Joseph Smith did not own a copy of the Bible until after the Book of Mormon had already gone to press [15] and on the fact that his wife Emma indicated that he had no materials from which he could read during the time of the translation. [16]
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footnotes
[15] In October 1829, four months after completing the translation of the Book of Mormon, Joseph had Oliver Cowdery purchase a copy of the Bible for their use. See the discussion in John A. Tvedtnes and Matthew Roper, "'Joseph Smith's Use of the Apocrypha': Shadow or Reality?" FARMS Review of Books 8/2 (1996): 330–32. It is likely that the Bible from which Joseph Smith read as a young man remained with his father's family rather than being transported with the prophet to Harmony and then Fayette, where he dictated the Book of Mormon.
[16] In an interview published in the Saints' Advocate 2/4 (October 1879): 51, Emma declared that, during the translation process, Joseph "had neither manuscript nor book to read from" and that "if he had had anything of the kind he could not have concealed it from me."
Of course, the claims of footnotes 15 and 16 are quite different and not at all necessarily mutually inclusive.
Who are these "some Latter-day Saint scholars" who believe that it is more likely than not that Joseph Smith didn't even own a KJV prior to the translation of Book of Mormon?
Is Tvedtnes one? He doesn't say.
Granting the conjecture Tvedtnes places on the lips of some anonymous others, does not personally owning a KJV translation of the Bible somehow mean that Joseph Smith didn't have access to a KJV translation of the Bible prior to the translation of Book of Mormon? I hardly think that Tvedtnes would affirm that. So, what's his point, other than rather obliquely to suggest that Joseph Smith's possible lack of ownership of KJV entails that Book of Mormon Isaiah is not derivative of KJV Isaiah?
One might almost think that FARMS reviewers and writers don't read each others' work.
CKS