Heritage Quest
Search census records, books, serials, and other historical records to trace your genealogy. A library card from Carnegie Public Library is required to access this database. 

Ohio Historical Society
The Ohio Historical Society offers searchable databases of interest to genealogists including the Ohio Death Index, Newspaper Index, Civil War Documents, and Ohio Fundamental Documents including the Executive Journal of the Northwest Territory.

Ohio Memory Project
An Online Scrapbook of Ohio History. The Ohio Memory online scrapbook brings together historical materials from archives, museums, libraries, and historical societies around the state to create a large collection of primary source material. Long after the celebrations in 2003, the scrapbook remains a lasting legacy of Ohio's bicentennial.

Ohio Vital Records Information
Ohio Vital Records Information is a directory of sources for obtaining vital records, such as birth & death certificates, marriage licenses & divorce decrees. It covers state and county agencies.

Sanborn Fire Insurance Maps, 1867-1970 - OHIO
Find large-scale street plans produced by the Sanborn Fire Insurance company from 1867 to 1970. Locate and identify buildings and neighborhoods. Study the growth of towns and cities, and the impact of new development. Digital Sanborn Fire Insurance Maps have been licensed for use by Ohio citizens by the Ohio Public Library Information Network. These Sanborn Maps were digitized from microfilm copies by Chadwyck-Healey, a Bell & Howell Information and Learning company. This company owns the copyright to these digital files. The Library of Congress produced descriptive data for each map.