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本圖原來發表於Flickr,作者為Law Society of Upper Canada Archives,網址為https://www.flickr.com/photos/38561291@N04/9842220515;經FlickreviewR於2014-06-05 03:50:16審查後,確認本圖以No known copyright restrictions釋出,相容於維基共享資源。然而上述的授權條款與來源處不同,因而無法確定本頁所提供的授權條款是否有效。