Atlases and Plat Books
Minnesota Historical Society

AsylumProjects.org
Has a listing of Minnesota State Hospitals, County Asylums and TB Sanitariums

Chronicling America
Lists historic online newspapers by State from the Library of Congress (has recently been upgraded)

Digital Public Library of America
Family Research Guide

Elmer L. Anderson Library
U of M Archives and Special Collections

FamilySearch Guide to Minnesota Genealogy
A good place to start if you are just beginning your search in Minnesota

Historic Photography Collection
Minnesota Historical Society

Hoffman Research Library
Minnesota Genealogy Center

Immigration History Research Center
U of MN – includes immigrant stories and more

Iron Range Research Center
MN genealogy and local history research

John R. Borchert Map Library
U of M Digitized Plat Maps and Atlases

Kashubian Institute and Polish Museum
Located in Winona, MN – promotes Kashubian and Polish history and culture

Minnesota Cemetery Project
A Minnesota Genealogy Project

Minnesota Digital Newspaper Hub
Minnesota Historical Society

Minnesota Historical Societies
A listing of societies by County (MNHS)

Minnesota Historical Society (MNHS) Extensive listing of records, photos, maps across the state

Minnesota Newspaper Directory
List of current MN online newspapers

MN Official Marriage System (MOMS)
List of Minnesota marriage records

Minnesota Online Death Records and Indexes
A variety of links – some by MN County

MN Reflections – Digital Library
A database of digitized original materials shared by cultural heritage organizations located across our state

National Archives at Chicago
Includes many federal records from Minnesota, Wisconsin, Michigan, Illinois, Indiana and Ohio

New York Public Library Digital Collections
Has a wealth of information (including MN) – articles, photos, databases, etc

Random Acts of Genealogical Kindness
(Minnesota section)

US Census Information Year-by-Year
Summary of genealogy information in the different census years

US Counties with Records Loss
There are 9 Minnesota Counties with records loss- scroll down within the link to MN