Literature:

Beate Dry-v.Zezschwitz (ed.), Westerwald stoneware of the Art Nouveau IR Merkelbach, Grenzhausen and Munich, reprint of the special price list 1905, Munich 1981, p. 32-33 (on Peter Behrens), p. 95 (illustration of plate 79 with wash set by Behrens) Jürgen Erlebach, Jürgen Schimanski, Westerwald stoneware. The new era. Art Nouveau and Werkbund 1900-1930. Exhibition catalogue. Rheinisches Landesmuseum, Bonn, Hessisches Landesmuseum, Darmstadt, Düsseldorf 1987, p. 79 (illustration of the same "jug") Jürgen Schimanski, Brown flamed and grey salted. Westerwald stoneware of the Art Nouveau. A Rhenish collection. Exhibition catalogue. Höhr-Grenzhausen Ceramic Museum, Höhr-Grenzhausen 2011, p. 51 (image of the same "jug") "At the turn of the century, Peter Behrens was considered one of the leading representatives of the modern art movement in the field of architecture and arts and crafts. From the outset, his works were acknowledged to have a special, unusual touch; they were considered modern because of their practicality." (quoted from: Beate Dry-v.Zezschwitz (ed.), Westerwälder Steinzeug des Jugendstils IR Merkelbach, Grenzhausen und München, reprint of the special price list 1905, Munich 1981, p. 32-33).