The Jean Nickolaus Tretter Collection in GLBT Studies at the Twin Cities campus of the University of Minnesota includes collections related to LGBTIAQ2S+ people in Duluth and at UMD. These include:

Deb Anderson Papers

Douglas Benson and Duane Gajewski Papers

Duluth - University of Minnesota Duluth GLBT Services Records, 1990-2012

Duluth/Superior Pride Records, 1994-1995

Robert (Bob) Jansen Papers, 1953-2014

Northland LGBT Life Narrative Project Records, 2015-2016

Tineke Ritmeester Papers

The Minnesota Historical Society's library and archives also include collections on LGBTQ Activism & Rights in Minnesota