| Sources |
- [S9318] 1930 United States Federal Census, Year: 1930; Census Place: Cheektowaga, Erie, New York; Page: 23B; Enumeration District: 0380; FHL microfilm: 2341169.
- [S9100] U.S., Social Security Death Index, 1935-2014, Social Security Administration; Washington D.C., USA; Social Security Death Index, Master File.
- [S9072] U.S., Find a Grave® Index, 1600s-Current.
- [S86] New York, U.S., Marriage Index, 1881-1967, New York State Department of Health; Albany, NY, USA; New York State Marriage Index.
- [S9282] 1940 United States Federal Census, Year: 1940; Census Place: Buffalo, Erie, New York; Roll: m-t0627-02833; Page: 8A; Enumeration District: 64-329.
- [S471] U.S., Public Records Index, 1950-1993, Volume 1.
- [S9322] 1920 United States Federal Census, Year: 1920; Census Place: Buffalo Ward 10, Erie, New York; Roll: T625_1102; Page: 9A; Enumeration District: 78.
- [S9416] New York, U.S., State Census, 1925, New York State Archives; Albany, New York; State Population Census Schedules, 1925; Election District: 06; Assembly District: 07; City: Cheektowaga; County: Erie; Page: 66.
- [S694] Rzochów Parish Records, 1793-1947 (Rzochów), Rzochów; 1902; act 3, Józef Czajkowski and Zuzanna Pyżikiewicz marriage.
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