Miscellaneous (generally one-of-a kind)
1875 Hardin County Andreas Patrons
1. Alden, Buckeye, Concord townships
2. Eldora and Ellis townships
3. Etna, Grant, Hardin townships
4. Jackson, Pleasant, Providence, Sherman, Tipton, Union townships
1881 Journal (written by an unknown young lady)
1883 History of Hardin County, Iowa, Biographical Index of People
1883 History of Hardin County, Iowa Maiden Name Index by Township. It includes the page number where the maiden names occur within the book. The book is on google.books and has the link to it.
1951 March Hardin County Jurors Listing
Hardin County: "Iowa Press Assn. 1940 Who's Who in Iowa (index)
1892 Hardin Co. Plat Maps (transcribed)
Patent Holders (Hardin Co. residents who patented an invention)
Banking in Hardin County
1. General overview of Banking in the county
3. Steamboat Rock, Alden, New Providence and Union
4. Hubbard, Garden City, Whitten, Owasa and Buckeye
Land Patents (aka Grants) from the Government to Veterans of the War of 1812
Hardin County (Federal) Postmasters
1863 Hardin County Post Offices and Postmasters
1869 Hardin County Post Offices and Postmasters
1879 Hardin County Post Offices and Postmasters
1865 Gazetteer Business Directory
1918-1919 Gazetteer and Business Directory Abbott thru Hughes (submitted by a special Volunteer)
1918-1919 Gazetteer and Business Directory Iowa Fall thru Whitten (submitted by a special Volunteer)
1950 & 1952, State Historical Society of Iowa Membership Lists by County