Scope and Contents From the Collection: The Father Leonard Eckroth Collection contains one real photo postcard of the Sts. Peter and Paul Catholic Church in Strasburg, ND. The postcard was sent from Harry (last name not included) to Mr. Leonard Ott of Fort Atkinson, Wisconsin, and postmarked 19 November 1910, Strasburg, N. Dak. The church was still under construction at that time.