Mormon History, Apr 13, 1846

Wilford Woodruff: Returned to Nauvoo 13 April 1846.

[source: Cook, Lyndon W., The Revelations of the Prophet Joseph Smith: A Historical and Biographical Commentary of the Doctrine and Covenants, Seventy's Mission Bookstore, Provo UT, 1985, http://amzn.to/RevelationsofJosephSmith]