-  Temple Records Index Bureau of the Church of Jesus Christ of Latter-day Saints, Nauvoo Temple Endowment Register, 10 December 1845 to 8 February 1846 (Salt Lake City: Church of Jesus Christ of Latter-day Saints, 1974), 135, Percy Johnson. Lyman De Platt, Nauvoo: Early Mormon Records Series, vol. 1 (Highland, UT: Lyman De Platt, 1980), 105. “Family Tree,” database, FamilySearch (https://familysearch.org, accessed Mar. 2014), Persis Baldwin L8R8-WDR . 1870 U.S. census, Spring Valley, Monona Co., Iowa, n.p., Percy Johnson, NARA. “Died,” True Latter Day Saints’ Herald, Sept. 15, 1874, 571. Find a Grave, database and images (http://findagrave.com, accessed Jan. 2014), memorial no. 59682989, Percy Baldwin Johnson; Preparation Canyon Cemetery, Pisgah, IA.