Some of the resources I have found helpful – and whose riches I am still discovering.
Definitely a work in progress…
General
Ancestry.com
Chronicling America (Library of Congress)
David Rumsey Historical Map Collection
Every Name Index
FamilySearch.org
FamilySearch Photo Duplication Services
Irish Times Surname Ancestry
WorldCat Library Network
Linkpendium
Newspaper Archive
Obituary Links Page
Stephen Morse’s One-Step Webpages
Photographs
Dead Fred
United States
United States Genealogy and Historical Society Directory
What Was There
California
California Genealogical Society Directory
California Digital Newspaper Collection
Early California Population Project, Huntington Library
The Works of Hubert Howe Bancroft: History of California, Vol. I
California State Library, History Room, Genealogy Section
New Mexico
New Mexico Genealogical Society – E-Research Resources
Ohio
Conneaut, Ohio, History and Genealogy
Rutherford B. Hayes Presidential Center Ohio Obituary Index
France
Department of Deux-Sevres, France – Archives
Department of Loire-Atlantique, France – Archives
Department of Charente, France – Archives
Ireland
Ask About Ireland
Century Ireland
Emerald Ancestors
Fáilte Romhat
Irish Ancestors (The Irish Times)
Irish Genealogy
Irish Genealogy Toolkit
Irish Genealogical Research Society
Irish Newspapers Archive
Leitrim-Roscommon Genealogy
County Roscommon Ireland Gen-Web Project
County Roscommon Genealogy Links
IreAtlas Townland Database
National Archives of Ireland
RootsIreland: Irish Family History Foundation
Waterford Irish Genealogy Project
Waterford County Library
Waterford Genealogy
Societies
Ohio Genealogical Society
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