The Hunting of the Snark Wonderland", and mentions of "candle-ends" and "toasted cheese" with his supernatural poem "Phantasmagoria". Additionally all three works include the number "42". Another of Carroll's children's novels, "Sylvie and Bruno Concluded" (1893) makes a reference to the Boojum. Other illustrators of "The Hunting of the Snark" include Peter Newell (1903), Edward A. Wilson (1932), Mervyn Peake (1941), Aldren Watson (1952), Tove Jansson (1959), Helen Oxenbury (1970), Byron Sewell (1974), John Minnion (1974), Harold Jones (1975), Ralph Steadman (1975), Quentin Blake (1976), Frank Hinder (1989) and Brian Puttock (1997). "The Hunting of the Snark" has seen various adaptations into musicals, opera, theatre,
Lewis Carroll with a bloody nose, which he recorded in his diary and noted that the episode left him not feeling himself for "quite sometime afterward". This attack was diagnosed as possibly "epileptiform" and Carroll himself later wrote of his "seizures" in the same diary. Most of the standard diagnostic tests of today were not available in the nineteenth century. Yvonne Hart, consultant neurologist at the John Radcliffe Hospital, Oxford, considered Dodgson's symptoms. Her conclusion, quoted in Jenny Woolf's 2010 "The Mystery of Lewis Carroll", is that Dodgson very likely had migraine, and may have had epilepsy, but she emphasises that she