| Sources |
- [S173] 1920 US Census, Ward 13, Milwaukee, Milwaukee Co., Wisconsin; 157; Sheet 22B; H.283 F.444; Helen Strenke.
- [S181] 1910 US Census, District 133, Ward 13, Milwaukee, Milwaukee Co., Wisconsin, Page 24.
- [S189] 1930 US Census, District 275, Milwaukee, Milwaukee Co., Wisconsin, Page 28.
- [S174] 1900 US Census, Ward 14, Milwaukee, Milwaukee Co., Wisconsin; 113; Sheet 18A; h.215 f.312; Helena Zalewski; 1 March 2010.
- [S190] 1905 Wisconsin State Census, Helen Zalewski; Houshold 565, 5th Precint, 13th Ward, Milwaukee, Milwaukee Co., Wisconsin.
- [S252] Wisconsin Births and Christenings, 1826-1926, 8 March 2011; Helen Zalewski; Batch C03054-5; Source 1012926; Ref p7394.
- [S280] Funeral Card.
Helen A Stronke
- [S176] Obituary - Milwaukee Journal-Sentinel, Helen Stronke, Obituary; 2 March 1974; p.5 col.3.
- [S341] Headstone.
|