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2009-02-19 17:13 Mariomassone 490×573× (52949 bytes) {{Non-free use rationale |Article= Wolf |Description= An illustration of a Canadian wolf skull |Source= Sketches in Natural History: History of the Mammalia. Volume II. By Charles Knight. Published by C. Cox, 1849. p14 |Portion= |Low_resolution= Lower than original work |