A cumulative list of works represented by Library of Congress printed cards.

John Mathias Zwaschka, son of John N. Zwaschka and Anna Trautman, was born 1 June 1882, in Kewaskum, Washington County, Wisconsin. He married Margaret Schill, daughter of Nicholas Schill and Catherine Leisses, on 17 May 1904. They had 12 children. John died 10 Mar 1968 in Stevens Point, Wisconsin. Margaret died 1 July 1970, also in Stevens Point. Their ancestors came from Germany. Their descendants have lived in Wisconsin, Connecticut, Ohio, Oklahoma, and other areas in the United States.