Author:Walter Percy Sladen

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Walter Percy Sladen
English biologist who specialised in starfish
Walter Percy Sladen


  • "On Lepidodiscus Lebouri, a new Species of Agelacrinitidæ from the Carboniferous Series of Northumberland" in the Quarterly Journal of the Geological Society of London volume 35, pages 744–751 (1879)

Works by this author published before January 1, 1924 are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.