Mary Elizabeth Rollins Lightner remembers JS relating to her content not published in the Book of Abraham.
Mary Elizabeth Rollins Lightner, Letter to Emmaline B. Wells, November 21, 1905, 4, MS 29376, Church History Library
he had his Father [Joseph Smith Sr.] show me those mummies and the papyrus that was taken from them. he related some things that were not published in the Book of abraham.