from 25 November 1941 <div style="display: none;">date QS:P571,+1941-11-25T00:00:00Z/7,P580,+1941-11-25T00:00:00Z/11</div>
Paul Suter: <i>Die Gemeindewappen des Kantons Baselland.</i> Kantonale Drucksachen- und Materialzentrale, Liestal 1952, <a href="//commons.wikimedia.org/wiki/Special:BookSources/7100102634" title="Special:BookSources/7100102634">ISBN 7100102634</a>, S. 118.