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- [S362] Nadbrzezie: Births, Marriages and Deaths 1826-1897, image DSCF3698, year 1875 act 5; Roch Gielerak birth and baptism.
- [S361] Nadbrzezie Births, 1852-1882 (Trześń), year 1875, act 5; Roch Gielerak birth and baptism.
- [S9389] 1910 United States Federal Census, Year: 1910; Census Place: Chicago Ward 17, Cook, Illinois; Roll: T624_259; Page: 16a; Enumeration District: 0779; FHL microfilm: 1374272.
- [S9116] U.S., World War I Draft Registration Cards, 1917-1918, Registration State: Illinois; Registration County: Cook County.
- [S9322] 1920 United States Federal Census, Year: 1920; Census Place: Phoenix, Cook, Illinois; Roll: T625_363; Page: 14B; Enumeration District: 221.
- [S9318] 1930 United States Federal Census, Year: 1930; Census Place: Phoenix, Cook, Illinois; Page: 7B; Enumeration District: 2362; FHL microfilm: 2340243.
- [S9282] 1940 United States Federal Census, Year: 1940; Census Place: Railroad, Starke, Indiana; Roll: m-t0627-01095; Page: 11B; Enumeration District: 75-10.
- [S112] Cook County, Illinois, U.S., Death Index, 1908-1988, Cook County Clerk; Chicago, IL; Cook County Genealogy Records (Deaths).
- [S362] Nadbrzezie: Births, Marriages and Deaths 1826-1897, year 1868, act 7 (image DSCF3672); Wojciech Gielerak and Jadwiga Orent Marriage.
- [S370] Nadbrzezie Marriages, 1853-1891 (Trześń), year 1868, act 7; Wojciech Gielerak and Jadwiga Orent marriage.
- [S9718] Cook County, Illinois, U.S., Marriages Index, 1871-1920.
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