David Martin household, 1900 U.S. Census, Highland Co., Ohio, shows name as Shelby Martin.
Marriage Record, Highland Co., Ohio, 16:250, no. 9781, Shelby Martin and Lizzie Brosie.
Shelby Jacob Martin, Shelby Jacob, World War I Selective Service System Draft Registration Cards, 1917-1918.
David Martin household, 1900 U.S. Census, Highland Co., Ohio, shows month, year, as 1884, age 15, and state.
Marriage Record, Highland Co., Ohio, 16:250, no. 9781, Shelby Martin and Lizzie Brosie, shows age 23 on 16 Dec 1908, town, and state.
Shelby Jacob Martin, Shelby Jacob, World War II Draft Cards (4th Registration), shows date, with year as 1884, city, as Buford, and state.
Marriage Record, Highland Co., Ohio, 16:250, no. 9781, Shelby Martin and Lizzie Brosie, shows date, city, county, state, and officiant.
Shelby J. Martin household, 1910 U.S. Census, Highland Co., Ohio, shows married 1 year.
"Ohio Death Index, 1908-1932, 1938-1944, and 1958-2007," FamilySearch.org, record for Shelby J. Martin, citing cert. no. 44168, shows date, city, county, and state.
Findagrave.com, online, memorial # 127925625, Shelby Jacob Martin, memorial for his son Glen, # 112988136, includes tombstone photo with his parents.