War of the Rebellion: Official Records of the Union and Confederate Armies (Washington: Government Printing Office, 1889-1896), series 1, vol. 48, part 2, pp. 969, 1069, 1078; Frederick H. Dyer, Compendium of the War of the Rebellion (Dayton, Ohio: Press of Morningside Bookshop, 1978), pp. 1174, 1334; Des Moines [Iowa] Register, July 19, 1865; Harold D. Brinkman, ed., Dear Companion The Civil War Letters of Silas I. Shearer (Ames, Iowa: Sigler Printing and Publishing, 1995), pp. 156, 158; Letter of Frederick E. Miller, December 22, 1865, Barry A. Crouch Collection (Ms. 41), Archives of the Nesbitt Memorial Library, Columbus; Norma Shaw, "The Early History of Colorado County Organized as a Model for Teaching a Local History Unit" (Master's thesis, Southwest Texas State Teachers College, 1939), p. 44. The 23rd Iowa was mustered out on July 26 and the 30th Missouri on August 21, 1865.