"Debating Crazy Horse: Is this the Famous Oglala". Whispering Wind magazine, Vol 34 #3, 2004. A discussion on the improbability of the Garryowen photo being that of Crazy Horse (the same photo shown here). The clothing, the studio setting all date the photo 1890–1910.
The Authorized Biography of Crazy Horse and His Family Part One: Creation, Spirituality, and the Family Tree. DVD. William Matson and Mark Frethem, producers. Documentary based on over 100 hours of footage shot of family oral history detailed interviews and all Crazy Horse sites. Family had final approval on end product. Reelcontact.com, 2006.
The Authorized Biography of Crazy Horse and His Family Part Two: Defending the Homeland Prior to the 1868 Treaty'. DVD William Matson and Mark Frethem, Producers. Reel Contact Productions, 2007.