was mainly written, it is believed, as a guide to the geography and customs of the peoples of Denmark, Norway, and Sweden for future missionaries in the conversion of the pagans of Denmark, Norway, and Sweden. In his work is found the first reference to Vinland. Customs There is a tradition with a connection to the cathedral. When a man reaches the age of 30 and still is not married, he must sweep the cathedral steps until a young woman gives him a kiss and then he is released from his duty. Women who reach their thirtieth birthday unmarried go to polish the cathedral doorknobs in the company of friends and family. References Bibliography Hans-Christoph Hoffmann, Die Erhaltung des St. Petri Doms zu Bremen im 19. Jahrhundert, Beihefte zum Jahrbuch der Wittheit zu Bremen / II, editor Gerold Wefer und Hans Kloft, © & editing society Die Wittheit zu Bremen 2007, editing company H. M. Hauschild Gmbh, Bremen, , available in Bremen State Archive (de) catalogue n° Beih.3 125 Za. External links St. Petri Dom Bremen official website Historical descriptions in German with some illustrations Hermann Alexander Müller, Der Dom zu Bremen und seine Kunstdenkmale. Mit eingedruckten Holzschnitten und vier Tafeln nach Zeichnungen des Dombaumeisters Johann Wetzel. C. Ed. Müller, Bremen 1861 Historische Gesellschaft des Künstlervereins, Denkmale der Geschichte und Kunst der freien Hansestadt Bremen (1876), Erster Theil: Arthur Fitger, Der Dom Architekten- und Ingenieurverein, Bremen und seine Bauten (1905), p. 75ff. Ernst Ehrhardt, Der Dom Churches in Bremen (city) Pre-Reformation Roman Catholic cathedrals Lutheran churches converted from Roman Catholicism Lutheran cathedrals in Germany Romanesque architecture in Germany Gothic hall churches in Germany Tourist attractions in Bremen (state) Burial sites of the House of Immedinger Protestant churches in Bremen (state)