Census-Online.com - census transcriptions for  Erie Co.
Erie County, OH Genweb Project a collection of online resources for genealogy researchers
Early Settlers in Erie County
Erie County Queries & Surnames blog about Sandusky, history and genealogy
Erie County, OH Genealogy Forum read and post messages about your ancestors for this county
Sandusky History
The Tombstone Transcription Project - cemeteries for Erie Co. OH
US GenWeb Archives for Erie County cemeteries, newspapers, wills, military rosters etc recorded online

Additional Resources

Ohio Newspaper Search enter your ancestor's name to instantly search the world's largest newspaper archive; over 12 million newspaper pages
Ohio Birth Records
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Ohio Death Records