The church institutions in Medieval Tønsberg (Norway): Based on a systematic registration of written sources and all the archaeological material. Out of 11 church institutions 6 are known from archaeological investigations. Discussion on the datings, architecture, social context and economical hinterland of the institutions. Extensive list of literature and sources. The text is an edited version of a cand phil-dissertation from the University of Aarhus (Denmark) in 1983.