- [S343] Death Certificate - Diefenbach, Louis.
- [S220] 1920 Census of Columbus, Franklin County, Ohio ED 39; Sheet 8B, Columbus Ward 3; Franklin County, OH; Roll T625_1380; Page 3B; Enumeration District 71; Image 1274 (Reliability: 3).
- [S219] 1910 Census of Franklin County, Columbus City, OH, Columbus Ward 2, Franklin County, OH; Roll T624_1180; page 10A; Enumeration District 46; image 711.
The 1920 Census shows an immigration date of 1893.
- [S220] 1920 Census of Columbus, Franklin County, Ohio ED 39; Sheet 8B, Columbus Ward 3; Franklin County, OH; Roll T625_1380; Page 3B; Enumeration District 71; Image 1274.
- [S219] 1910 Census of Franklin County, Columbus City, OH, Columbus Ward 2, Franklin County, OH; Roll T624_1180; page 10A; Enumeration District 46; image 711.
- [S219] 1910 Census of Franklin County, Columbus City, OH, Columbus Ward 3; Franklin County, OH; Roll T625_1380; Page 3B; Enumeration District 71; Image 1274.
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