South Dakota Societies & LibrariesIowa Societies or Libraries
South Dakota Genealogical Society
Museum of Danish America
South Dakota State Archives
Iowa Genealogy
Aberdeen Genealogical Society
Brookings Area Genealogical Society
Rapid City Society for Genealogical Research
Minnesota Societies or LibrariesNebraska Societies or Libraries:
MN Genealogical Society
Iron Range Research Center
North Dakota Societies or Libraries:Midwest Societies or Libraries:
University of North Dakota Brekke Collection
Midwest Genealogy Center
Norwegian American Genealogical Center & Naeseth Library in Madison, WI
National Societies or Libraries:
National Genealogical Society
Cyndi’s List