Middlesex County, CT Genweb Project a collection of online resources for genealogy researchers
East Haddam - Early Marriage Records 1693-1749
East Haddam; Records of the First Congregational Church at East Haddam, CT, 1704-1802
Middlesex County, CT - at the American Local History Network Site useful links to genealogy records
Middlesex County, CT Genealogy Forum read and post messages about your ancestors for this county
Middlesex County Message Board read and post messages with other genealogy researchers of this county
Middlesex Genealogical Society, Inc.
US GenWeb Archives for Middlesex County cemeteries, newspapers, wills, military rosters etc recorded online

Middlesex County Cemeteries

AHGP Connecticut Cemetery Transcription & Photo Project - Middlesex County
Cemeteries of Middlesex County, Connecticut at Interment.net
The Tombstone Transcription Project - cemeteries for Middlesex Co. CT  

Additional Resources

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