The Frederickson collection includes materials primarily relating to the Norwegian Lutheran settlement in the Northport, Michigan, area. The bulk of the collection consists of letters of the Holden family in Norway to their daughter Elisabeth Holden Talgø. There is also a history of the Garthe-Bahle family. The photographs in the collection are of lumbering activities on North Manitou Island and of schools and road building in Northport, Michigan. Photos and portraits of the Garthe-Bahle-Talgo families are included.