*[https://books.google.com/books?id=45GsAAAAIAAJ Fabian Essays in Socialism], (1889)
*[https://books.google.com/books?id=45GsAAAAIAAJ Fabian Essays in Socialism], (1889)
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*[https://www.theepochtimes.com/c-how-the-specter-of-communism-is-ruling-our-world How the Specter of Communism Is Ruling Our World]. ''The Epoch Times''.