Volume 4 of Royal Skousen’s Book of Mormon Critical Text Project contains six parts that detail the textual variants found throughout the text of the Book of Mormon.
Analysis of Textual Variants of the Book of Mormon, Part One: 1 Nephi – 2 Nephi 10
Analysis of Textual Variants of the Book of Mormon, Part Two: 2 Nephi 11 – Mosiah 16
Analysis of Textual Variants of the Book of Mormon, Part Three: Mosiah 17 – Alma 20
Analysis of Textual Variants of the Book of Mormon, Part Four: Alma 21 – 55
Analysis of Textual Variants of the Book of Mormon, Part Five: Alma 56 – 3 Nephi 18
Analysis of Textual Variants of the Book of Mormon, Part Six: 3 Nephi 19 – Moroni 10