Fred Forbát, Zehlendorf, Berlin
Andor and Catherine Kemeny, Toronto, acquired from the above
Acquired from the above by the present owner, 1990s
Walter Gropius, László Moholy-Nagy, Lars Müller, eds., Bauhausbücher 7: Neue Arbeiten Der Bauhauswerkstätten, Munich, 1925, p. 22 for a similar example
Walter Scheidig, Weimer Crafts at the Bauhaus: 1919-1924, London, 1967, p. 131 for a similar example