| Sources |
- [S9642] New York, U.S., State Census, 1915, New York State Archives; Albany, New York; State Population Census Schedules, 1915; Election District: 30; Assembly District: 32; City: New York; County: Bronx; Page: 55.
- [S8096] Trześń Parish Birth Extracts, 1890-1926, Nadbrzezie year 1900, act 16; Helena Rucka birth and baptism.
- [S16] New York, U.S., Passenger and Crew Lists (including Castle Garden and Ellis Island), 1820-1957, Year: 1903; Arrival: New York, New York, USA; Microfilm Serial: T715, 1897-1957; Line: 7; Page Number: 70.
- [S42] New York, U.S., Naturalization Records, 1882-1944, The National Archives and Records Administration; Washington, D.C.; Petitions for Naturalization from the U.S. District Court for the Southern District of New York, 1897-1944; Series: M1972; Roll: 1111.
- [S587] New York, U.S., State and Federal Naturalization Records, 1794-1943, National Archives and Records Administration; Washington, DC; NAI Title: Index to Petitions for Naturalizations Filed in Federal, State, and Local Courts in New York City, 1792-1906; NAI Number: 5700802; Record Group Title: Records of District Courts of the United States, 1685-2009; Record Group Number: RG 21.
- [S9282] 1940 United States Federal Census, Year: 1940; Census Place: New York, Bronx, New York; Roll: m-t0627-02474; Page: 17A; Enumeration District: 3-520.
- [S9114] 1950 United States Federal Census, United States of America, Bureau of the Census; Washington, D.C.; Seventeenth Census of the United States, 1950; Record Group: Records of the Bureau of the Census, 1790-2007; Record Group Number: 29; Residence Date: 1950; Home in 1950: New York, Bronx, New York; Roll: 2830; Sheet Number: 19; Enumeration District: 3-1123.
- [S362] Nadbrzezie: Births, Marriages and Deaths 1826-1897, image DSCF3718, year 1882 act 3; Ignacy Rucki and Walerya Bęc marriage.
- [S370] Nadbrzezie Marriages, 1853-1891 (Trześń), year 1882, act 3; Ignacy Rucki and Waleria Bęc marriage.
- [S9647] New York, New York, U.S., Extracted Marriage Index, 1866-1937.
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