Heard about these from Don La Barre, special collections librarian at Alpena Public Library (https://www.alpenalibrary.org/genealogyandlocalhistory) during the monthly Office Hours meeting hosted by Biz, Chelsea, and me on 2023-06-07
Association for Great Lakes Maritime History: https://www.aglmh.net/ and their institutional members list: https://www.aglmh.net/institutional-members/
Alpena Public Library: https://www.alpenalibrary.org/greatlakesmaritime and https://www.alpenalibrary.org/maritimefindingaids
Thunder Bay Research Collection https://greatlakeships.org/search
Michigan Maritime Museum: https://www.michiganmaritimemuseum.org/
Thunder Bay National Marine Sanctuary: Great Lakes Maritime Collection Archive: https://thunderbay.noaa.gov/heritage/maritime-collection-archive.html and https://thunderbay.noaa.gov/visit/great-lakes-maritime-heritage-center.html
Detroit Historical Society: Dossin Great Lakes Museum: https://detroithistorical.org/about-us/our-museums/dossin-great-lakes-museum and https://detroithistorical.org/blog/2022-01-07-detroits-first-maritime-history-museum
University of Detroit Mercy: Fr Edward J Dowling, SJ, Marine Historical Collection: https://libraries.udmercy.edu/archives/special-collections/?collectionSet=all&collectionCode=gls and https://www.udmercy.edu/about/news/articles/2022/11-29-great-lakes-ship-collection-part-of-detroit-mercy-legacy.php
Marine Historical Society of Detroit: https://www.mhsd.org/
Department of Environment, Great Lakes, and Energy: Maritime Related Reference Collections: https://www.michigan.gov/egle/about/organization/water-resources/shipwrecks/maritime-related-reference-collections
Bowling Green State University (Ohio): Historical Collections of the Great Lakes: https://greatlakes.bgsu.edu/ and https://www.bgsu.edu/library/cac/collections/hcgl.html and https://greatlakes.bgsu.edu/vessels
Wisconsin Maritime Museum: https://www.wisconsinmaritime.org/
University of Wisconsin Superior: Lake Superior Maritime Collection: https://library.uwsuper.edu/maritime and https://library.uwsuper.edu/maritimecollections and https://library.uwsuper.edu/maritime/ship-files and https://library.uwsuper.edu/maritime/links and https://library.uwsuper.edu/maritime/logbooks
University of Wisconsin Superior: Great Waters Research Collaborative: https://www.uwsuper.edu/lsri/gwrc/index.cfm
Erie Maritime Museum (Erie, PA): https://www.eriemaritimemuseum.org/