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{{Non-free use rationale 2 |Description = Orator F. Cook (1867-1949), American botanist and myriapodologist |Source = ''The National Cyclopædia of American Biography'' Volume 38. 1953. James T. White & Company. New York. page 369<br> http://babel.hat...
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Dyddiad ac amser y newidiwyd y ffeil ddiwethaf
22:36, 23 Chwefror 2015
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