| Hardin | Auditor | Census Records | 1880-1885 |
| Hardin | Auditor | Real Estate Transfers-Lands-Record | 1856-1917 |
| Hardin | Auditor | Real Estate Transfers-Town Lots-Record | 1859-1953 |
| Hardin | Clerk | County Court-Record (incl marr lic) | 1853-1861 |
| Hardin | Clerk | Naturalizations-First Papers | 1872-1906 |
| Hardin | Clerk | Naturalizations-Minors | 1880-1906 |
| Hardin | Clerk | Naturalizations-Petition & Record | 1906-1914 |
| Hardin | Clerk | Naturalizations-Second Papers | 1859-1906 |
| Hardin | Clerk | Probate-Bonds-Adm, Exec, Gdn | 1894-1927 |
| Hardin | Clerk | Probate-Calendar | 1871-1879 |
| Hardin | Clerk | Probate-Combined Probate Docket | 1878-1926 |
| Hardin | Clerk | Probate-Docket | 1854-1871 |
| Hardin | Clerk | Probate-Record | 1854-1925 |
| Hardin | Clerk | Probate-Wills | 1855-1930 |
| Hardin | Private | Church & Cemetery Records | 1800s-1900s |
| Hardin | Recorder | Deeds-Lands-Index & Record | 1853-1904 |
| Hardin | Recorder | Deeds-Patent Records | 1891-1907 |
| Hardin | Recorder | Deeds-Town Lots-Index & Record | 1855-1903 |
| Hardin | Recorder | Homestead Record | 1867-1883 |
| Hardin | Recorder | Mortgages-Chattels-Index & Record | 1857-1887 |
| Hardin | Recorder | Mortgages-Lands-Index & Record | 1853-1883 |
| Hardin | Recorder | Mortgages-Town Lots-Index & Record | 1853-1889 |
| Hardin | Recorder | Original Entries, abstract | 1849-1864 |
| Hardin | Recorder | Vital Stats-Births-Index | 1880-1904; 1906-1917 |
| Hardin | Recorder | Vital Stats-Births-Record | 1880-1904; 1906-1933 |
| Hardin | Recorder | Vital Stats-Deaths-Index | 1880-1897 |
| Hardin | Recorder | Vital Stats-Deaths-Record | 1880-1904; 1906-1920 |
| Hardin | Recorder | Vital Stats-Marriages-Index | 1853-1935 |
| Hardin | Recorder | Vital Stats-Marriages-Record | 1853-1928 |
