"Iowa State Census, 1895," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/VTSF-7HR : accessed 17 December 2014), Louis Ring in household of Henry Ring, Johnson, Iowa, United States; citing p. 368, 1895, State Historical Society, Des Moines; FHL microfilm 1,020,201.
"United States Census, 1900," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/M92D-QPV : accessed 17 December 2014), Louis Ring in household of Henry Ring, Big Grove Township Solon town, Johnson, Iowa, United States; citing sheet 4A, family 68, NARA microfilm publication T623, National Archives and Records Administration, Washington, D.C.; FHL microfilm 1,240,440.