Kinderhook Plates; Hoax or History?
 Letter from the Chicago Historical Society, 5/23/2005
 Joseph Smith the Prophet, His Family and His Friends, Volume 1, 1886, Affidavit, pp 207-8
 As recorded by his scribe William Clayton in History of the Church, v. 5, p. 372
 Ensign Magazine, August 1981, "Kinderhook Plates Brought to Joseph Smith Appear to Be a Nineteenth-Century Hoax", Stanley B. Kimball
BYU's FAIR group has a Kinderhook apology
Mormon Expression did a detailed podcast analysis.