Sources (Reliability ratings: 0=Unreliable 1=Questionable 2=Secondary 3=Primary) |
- [S950] St. John the Baptist Catholic Church (Burlington, Iowa), "Church records, 1855-1946," Baptisms 1855-1924, p. 186, No. 81, Jacob Kobus baptism (1878); digital image, browsable images, FamilySearch (https://www.familysearch.org/search/catalog/69087 : accessed 20 July 2019); FHL microfilm 956,366, DGS 7903128. (Quality Assessment: 3).
- [S946] Jeanne and Dean Kobus, "Descendants of John L. Kobus," supplied 2010 by Jeanne Kobus, San Antonio, Texas; documented (DAR-style citations) with quality sources. (Quality Assessment: 2).
- [S956] 1880 U.S. census, Des Moines County, Iowa, population schedule, Union Township, enumeration district (ED) 119, p. 21 (penned), p. 348A (stamped), dwelling 163, family 166, John Kobus household; digital image, Ancestry.com (http://www.ancestry.com : accessed 21 March 2010); citing National Archives microfilm publication T9, roll 337. (Quality Assessment: 3).
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