English: old Chinese Hand Cannon on display at the Shaanxi history museum in Xi'An, China. The placard reads "Bronze firearm, Yuan dynasty (1271-1368 ACE)". Photo taken by Yannick Trottier, 2007.
This picture has since been republished with Yannick Trottier's (the photographer's) permission in Ian Morris's "War, What Is It Good For?" in 2014. The attribution in the book incorrectly suggests that copyright is still held by Yannick Trottier. The correct license is given below.--Ytrottier (talk) 02:45, 5 May 2014 (UTC)
Licensing
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{{Information |Description=old Chinese gun on display at the Shaanxi history museum in Xi'An, China. The placard reads "Bronze firearm, Yuan dynasty (1271-1368 AD)". Photo taken by Yannick Trottier, 2007. |Source=self-made |Date=June 22nd, 2007 |Author= [