http://www.traces-h.net/statuaire/hvilleparis/hvp051.htm

http://upload.wikimedia.org/wikipedia/commons/8/86/Hotel_de_ville_paris028.jpg

http://www.bridgemanart.com/en-GB/asset/382754/bouchard-henri-louis-1875-1960/pierre-de-montereau-or-pierre-de-montreuil-1908-stone-b-w-photo