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- [S5] 1940 United States Federal Census, https://www.myheritage.com/research/record-10053-863800093/charles-kostichka-in-1940-united-states-federal-census.
Charles Kostichka<br>Gender: Male<br>Birth: Circa 1911 - Wisconsin, USA<br>Residence: 1940 - Ahnapee Town, Kewaunee, Wisconsin, USA<br>Age: 29<br>Residence in 1935: Same House - Ahnapee Town, Kewaunee, Wisconsin, USA<br>Race: White<br>Marital status: Married<br>Parents: Charles Kostichka, Ledvia Kostichka<br>Siblings: Nelvin Kostichka, Raymond Kostichka, Helen Kostichka, David Kostichka<br>Census:
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