Surname Index: One significant research tool is the surname index containing over 5,000 names. This index helps point researchers to specific published sources in our library.
Directories: The library houses an extensive collection of Hamilton city directories including the years 1858, 1861-1862, 1875, 1876, 1884, 1893, 1899, and 1900 to 1976. Butler County directories can be found for 1873, 1883, 1920 and 1955. Middletown city directories include 1891, 1917 to 1966 and 1988.
Reference Files: Photograph and reference files detail a variety of topics from businesses, leading citizens, churches, schools and settlements to canals, forts, wars, and presidents.
John Woods Papers: A unique portion of the collection is the court papers of John Woods. These contain references to many early Hamiltonians (1799-1854).
School Memorabilia: For those researching more recent residents, the library has Hamilton High School Annuals from 1898 through the 1950s. Also in the collection are a number of class photographs from various schools in Hamilton and the surrounding area.
Microfilm: Microfilm holdings include Butler County census records for the years 1860, 1880, 1900, 1910 and 1920. Microfilmed newspapers include Venice Graphics,1887-1910; Butler County Press, 1900-1946; Deutsche-Amerikaner, all available issues; Edgewood This Week, 1981-1986; Hamilton True Telegraph, 1861-1870; Hamilton Herald, August 3, 1885 to 1887; Hamilton Daily Democrat, 1887-1888; Western Telegraph, 1841-1843.
Vital Records: The library has various vital record compilations including Butler County marriage records 1803-1847 and 1853-1858, Butler County birth records March 1856 to March 1857 and 1867-1872, and a collection of obituaries 1908-1930, and marriages, deaths and divorces which have been clipped from old newspapers and organized in binders.
Cemetery Listings: A master index to twelve volumes of Butler County cemetery records covers most graveyards in the county.
Area Histories: A collection of printed histories includes a number of volumes on Butler County, its early pioneers and settlements. County histories for Montgomery, Hamilton, and Preble Counties of Ohio can also be found.
Maps: Plat maps listing Butler County land owners include the years 1836, 1875, 1895, 1910, 1914, and 1930.
Military Compilations: Books containing information on soldiers include: D.A.R. Patriot Index; Official Roster of Soldiers of the American Revolution Buried in Ohio; Roster of Ohio Soldiers, 1861-1866, War of the Rebellion; Official Roster of Ohio Soldiers, Sailors, and Marines, World War I, 1917-1918.
Business Collection: A filing system containing general information, original catalogues, primary documents, and photographs of local businesses. Includes information about the Estate Stove Company, Mosler Safe Company, Shuler and Benninghofen, and many more.