On the Church's Website, there is a 3-part series by LaJean Purcell Carruth (Church History Library historian) on the differences between the transcriptions of sermons published in the Journal of Discourses and the shorthand reports they are based on:
Preached vs. Published: Shorthand Record Discrepancies (Part 1 of 3)
Preached vs. Published: Shorthand Record Discrepancies (Part 2 of 3)
Preached vs. Published: Shorthand Record Discrepancies (Part 3 of 3)