This volume in Samlingar utgivna av Svenska fornskriftsällskapet is a catalogue of 325 watermarks in Swedish medieval law manuscripts and in the collection of medieval paper documents (up to 1500) in Uppsala university library. The catalogue contains images of the watermarks and references to the most important previous catalogues and collections, in particular by Charles M. Briquet and Gerhard Piccard, as well as a description of the distribution of watermarks in the mediaeval law manuscripts. Introductions are given in Swedish and German. Keywords: Watermarks, paper, mediaeval, manuscript, Swedish law. Språk i boken: svenska