Key Online Library Catalogs for Genealogists

National Libraries

Australia, National Library of
British Library
Canada, National Library of
France, Bibliothèque nationale de
Netherlands, National Library of the
New Zealand, National Library of
Norway, National Library of
Scotland, National Library of
Sweden, National Library of
Swiss National Library
Wales, National Library of State Libraries & Historical Societies
Alaska State Library
Arkansas State Library
California State Library–Sacramento
Colorado Historical Society
Connecticut Historical Society
Connecticut State Library
Florida State Archives & State Library of Florida
Georgia Department of Archives and History
Idaho State Library
Illinois State Historical Library
Illinois State Library
Indiana Historical Society
Indiana State Library
Iowa, State Library of
Kansas State Library
Kansas State Historical Society
Kentucky Department for Libraries and Archives
Louisiana, State Library of
Maine State Library
Maryland Historical Society
Michigan, Library of
Minnesota Historical Society
New Hampshire Historical Society
New Hampshire State Library
New Jersey State Library
New Mexico State Library
New York State Library
North Carolina, State Library of
North Dakota State Library
Ohio Historical Society
Ohio Library and Information Network
Oregon Historical Society
Oregon State Library
Pennsylvania, State Library of
South Carolina Historical Society
South Carolina State Library
South Dakota State Archives
South Dakota State Library
Tennessee State Library & Archives
Texas State Library & Archives Commission
Vermont State Archives & Vermont Historical Society
Virginia Historical Society
Virginia, Library of
Washington State Library
Wisconsin, State Historical Society of
Wyoming State Library

Provincial Archives, Canada

British Columbia Archives
Nova Scotia Archives and Records Management Library

Ethnic Collections

Chinese
C. V. Starr East Asian Library, Columbia University, New York, N.Y.
French Canadian
Bibliothèque de Montréal, Montreal, Quebec, Canada–Select Catalogue Merlin.
German
Joseph Horner Memorial Library, German Society of Pennsylvania, Philadelphia.
Germans from Russia
North Dakota Institute for Regional Studies, North Dakota State University, Fargo, N.D.
Hispanic
Rio Grande Valley Library System, Albuquerque, N.M.
Irish
Macalester College, St. Paul, Minn.
Jewish
Yeshiva University, New York, N.Y.
Native American
Western History Collections, University of Oklahoma, Norman, Okla.
Norwegian
Ylvisaker Library, Concordia College, Moorhead, Minn.

Directories of Library Web Sites & Online Catalogs

Archival and Manuscript Repositories in the U.S.: List maintained by the Library of Congress.
Cyndi’s List — Libraries, Archives & Museums
Gabriel: National Libraries of Europe
Genealogy Libraries on the WWW: List maintained by Librarians Serving Genealogists.
Hytelnet: Links to online library catalogs worldwide, maintained by Peter Scott.
Libweb: Links to over 3,000 pages from libraries in over 90 countries, available through the Berkeley Digital Library.
State Archives and Historical Societies: Links compiled by the Ohio Historical Society.
State Libraries: List maintained by the Library of Congress.
State Libraries: List maintained by the Wisconsin Dept. of Public Instruction.
State Libraries: List maintained by Yahoo!
webCATS: Library Catalogs on the World Wide Web –Maintained by Peter Scott.