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- [S88] De Vore, Steven L. , Geophysical Investigations of a Historic Iowa Family Cemetery (14BN111) Brown County, Kansas., ((2007) Lincoln, Nebraska: United States Department of the interior, National Park Service.), p. 14.
- [S69] Census records (USA), 1 June 1900., Schedule No. 1: Indian Population. DN 25. FN 25. ED 155. SD 1. Roll T623_472. Sheet 6B.
Sac Tox and Iowa Reservation, Brown County, Kansas. 1 June 1900. CAMPBELL, Murphy A. (Visitation: 13 June 1900).
- [S42] Marriages (CR) USA, 8 September 1886., No. 2550. p. 121.
Falls City, Richardson County, Nebraska. CAMPBELL, Murray and NEFF, Ida Mae.
- [S42] Marriages (CR) USA, 8 September 1886., No. 2550. p. 121.
Falls City, Richardson County, Nebraska. CAMPBELL, Murry and NEFF, Ida Mae.
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