"Dear Brother," [Letter I] Cowdery, Oliver. ""Dear Brother," [Letter I]." The Latter Day Saints' Messenger and Advocate 1 (1834): 13-16.
Letter VII Cowdery, Oliver. "Letter VII." The Latter Day Saints' Messenger and Advocate 1 (1835): 155-159.
Letter IV Cowdery, Oliver. "Letter IV." The Latter Day Saints' Messenger and Advocate 1 (1835): 77-80.
Challenging Issues, Keeping the Faith: The Baja model of Book of Mormon geography Ash, Michael R.. "Challenging Issues, Keeping the Faith: The Baja model of Book of Mormon geography." Deseret News (2010).
Letter VI Cowdery, Oliver. "Letter VI." The Latter Day Saints' Messenger and Advocate 1 (1835): 108-112.
Challenging Issues, Keeping the Faith: The Peruvian model Ash, Michael R.. "Challenging Issues, Keeping the Faith: The Peruvian model." Deseret News (2010).
Challenging Issues, Keeping the Faith: Geographical inconsistencies in Great Lakes model Ash, Michael R.. "Challenging Issues, Keeping the Faith: Geographical inconsistencies in Great Lakes model." Deseret News (2011).
Challenging Issues, Keeping the Faith: Account of 'Zelph' discovery does little to advance geography theory Ash, Michael R.. "Challenging Issues, Keeping the Faith: Account of 'Zelph' discovery does little to advance geography theory." Deseret News (2010).
Letter II Cowdery, Oliver. "Letter II." The Latter Day Saints' Messenger and Advocate 1 (1834): 27-32.