^"Botanischer Garten Bern" [Botanical Garden of Bern] (in German). Botanischer Garten Bern. Retrieved 2014-10-10.
^"Kantonsliste A-Objekte". KGS Inventar (in German). Federal Office of Civil Protection. 2014. Archived from
the original on 2010-06-28. Retrieved 2014-10-12.