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Barfsser Escher. Klosterareal von Sdwesten um lavierte Federzeichnung aus dem Regimentsbuch von Gerold Escher Regine Abegg Barraud Wiener Kunstdenkmler des Kanton Zrichs Neue Ausgabe Band II Bern upload Mai Gerold Escher upload by Adrian Michael PDold Historical images of Barfsserkloster Zrich Switzerland in the drawings Gerold