Society for Psychical Research (Great Britain), Society for Psychical Research (London, England), Henry Sidgwick, Balfour Stewart, Arthur James Balfour Balfour (Earl of) (1912). “Presidential Addresses to the Society for Psychical Research, 1882-1911”
Society for Psychical Research (Great Britain), Society for Psychical Research (London, England), Henry Sidgwick, Balfour Stewart, Arthur James Balfour Balfour (Earl of) (1912). “Presidential Addresses to the Society for Psychical Research, 1882-1911”