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No clearly there are not enough sources (yet) but I intend to add more. There are links which support most of the article, and bookseller sites for the list of his books have been used (e.g. Abebooks, Alibris, Waterstones, Amazon, etc.). Please don't delete this article. M∧Ŝc2ħεИτlk17:19, 9 May 2015 (UTC)[reply]