Retrieved 26 January 2012. from Stuart Dodgson Collingwood, The Life and Letters of Lewis Caroll, 1898, pp. 225, quoted in Waking Dreams, pp. 175.
Проверено 26 января 2012. from Stuart Dodgson Collingwood, The Life and Letters of Lewis Caroll, 1898, pp. 225, quoted in Waking Dreams, pp. 175.