- Birth Date
- 13 November 1835
- Death Date
- 24 November 1904
John August Warnick
- Age at Departure: 30
- Head of Household
- Journal History of The Church of Jesus Christ of Latter-day Saints, 22 October 1866, 6.
- Merrill Newell Warnick, Warnick Family History (Provo: J. Grant Stevenson, 1967).
- Perpetual Emigrating Fund Company general files (CR 376 1), 1850-1887.
- Warnick, Anders Petter, "Life Sketch of Anders Petter Warnick," by Effie Warnick Adams, in Merrill N. Warnick, Warnick Family History , vol. 1 , 26-32.
- Warnick, Charles Peter, "The History of Charles Peter Warnick," in Merrill N. Warnick, Warnick Family History , vol. 1 , 234-35.
- Warnick, John August, "The Story of John August and Mari Christensen Bengtson" by Ethel F. Allen and Leone F. Carson, in Merrill N. Warnick, Warnick Family History, vol. 1 , 128-30.