Swiss Illumination: Das Graduale Von St. Katharinenthal Um 1312. Facsimile of MS LM26117, kept alternately in the Schweizerisches Landesmuseum, Zurich, and in the Museum des Kantons Thurgau, Frauenfeld. The manuscript was formerly Dyson Perrins MS 128 Luzern Faksimile-Ausgabe 1980.