| Sources |
- [S225] Majdan Królewski Parish Records, 1890-1894 (Majdan Królewski), Krzątka year 1891, act 33; Wojciech Grosiak birth and baptism.
- [S9317] U.S., World War II Draft Registration Cards, 1942, The National Archives at St. Louis; St. Louis, Missouri; World War II Draft Cards (Fourth Registration) for the State of Massachusetts; Record Group Title: Records of the Selective Service System; Record Group Number: 147; Series Number: M2090.
The National Archives at St. Louis; St. Louis, Missouri; World War II Draft Cards (Fourth Registration) for the State of Massachusetts; Record Group Title: Records of the Selective Service System; Record Group Number: 147; Series Number: M2090
- [S9078] U.S., Social Security Applications and Claims Index, 1936-2007.
- [S9072] U.S., Find a Grave® Index, 1600s-Current.
- [S9318] 1930 United States Federal Census, Year: 1930; Census Place: Danvers, Essex, Massachusetts; Page: 16B; Enumeration District: 0033; FHL microfilm: 2340630.
- [S9282] 1940 United States Federal Census, Year: 1940; Census Place: Peabody, Essex, Massachusetts; Roll: m-t0627-01588; Page: 63A; Enumeration District: 5-313.
- [S16] New York, U.S., Passenger and Crew Lists (including Castle Garden and Ellis Island), 1820-1957, Year: 1913; Arrival: New York, New York, USA; Microfilm Serial: T715, 1897-1957; Line: 18; Page Number: 166.
- [S16] New York, U.S., Passenger and Crew Lists (including Castle Garden and Ellis Island), 1820-1957, Year: 1913; Arrival: New York, New York; Microfilm Serial: T715, 1897-1957; Microfilm Roll: Roll 2115; Line: 18; Page Number: 166.
- [S9317] U.S., World War II Draft Registration Cards, 1942, The National Archives at St. Louis; St. Louis, Missouri; World War II Draft Cards (Fourth Registration) for the State of Massachusetts; Record Group Title: Records of the Selective Service System, 1926-1975; Record Group Number: 147; Series Number: M2090.
The National Archives at St. Louis; St. Louis, Missouri; World War II Draft Cards (Fourth Registration) for the State of Massachusetts; Record Group Title: Records of the Selective Service System, 1926-1975; Record Group Number: 147; Series Number: M2090
- [S9308] U.S., City Directories, 1822-1995.
- [S6177] Massachusetts, U.S., Death Index, 1901-1980.
- [S5] Brzostowa Góra Marriages, 1866-1922 (Majdan Królewski), year 1887, act 3; Kazimierz Grosiak and Marianna Gola marriage.
- [S9292] New York, New York, U.S., Marriage License Indexes, 1907-2018, New York City Municipal Archives; New York, New York; Borough: Brooklyn.
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