The following are two videos that have been recently posted on youtube addressing early events in Latter-day Saint history:
Elder Kyle S. McKay, The First Vision: Understandings and Applications
“Idle Tales”? The Witness of Women - Daniel C Peterson
Some might enjoy the following articles on the First Vision on this blog:
Joseph Smith's First Vision in 2 Nephi 27:24-26
Psalm 110:1 and the two Lords in the 1832 First Vision Account