Conrad Kellerman household, 1910 U.S. Census, Hamilton Co., Ohio, shows name as Conrad E. Kellerman.
Ernst Conrad Kellermann, Ernst Conrad, World War I Selective Service System Draft Registration Cards, 1917-1918.
Marriage Record, Hamilton Co., Ohio, vol 327, no. 110, Ernst Kellermann and Carolina Barnett.
Conrad Kellerman household, 1900 U.S. Census, Hamilton Co., Ohio, shows month, year, age 4, and state.
Conrad Kellerman household, 1910 U.S. Census, Hamilton Co., Ohio, shows age 13 and state.
Ernest Conrad Kellermann, Ernest Conrad, World War II Draft Cards (4th Registration), shows date, city, and state.
Marriage Record, Hamilton Co., Ohio, 327:110, Ernst Kellermann and Carolina Barnett, shows date and officiant.
Ernest C. Kellerma household, 1930 U.S. Census, Clermont Co., Ohio, shows married, with his age at first marriage as 24, and hers is omitted.
Findagrave.com, online, memorial # 120160950, Ernest Conrad Kellerman, and memorial # 120160342, Caroline H. Belk Kellerman, include photos showing joint stone with date.
"Ohio Death Index, 1908-1932, 1938-1944, and 1958-2007," FamilySearch.org, record for Ernest C. Kellerman, citing cert. no. 3512, shows date, city, county, and state.
Findagrave.com, online, memorial # 120160950, Ernest Conrad Kellerman, shows year and includes tombstone photo showing same.
Findagrave.com, online, memorial # 120160950, Ernest Conrad Kellerman, includes tombstone photo.