Scope and Contents Autograph letter signed, sent by Sir Arthur Conan Doyle to General Henrik Enesy, Librarian of the Spirit Researchers' Society, Budapest. In the letter dated 8 March 1926, Doyle thanks Enesy for his invitation to Vienna, and rejoices to hear of 'the progress which our movement - the greatest in the history of the human race - makes among you...'. He also comments on spiritualism, saying that 'more and more [he] sees that the phenomena are nothing - mere signals in order to call our attention...