George Sims, The keys of death, Londres, MacMillan, 1982, p. 105.

A male voice with Edinburgh Morningside accent was heard in the passage-way saying, « Oh yes I know he’s a veritable caddis-worm » and a man appeared in the doorway, giving him orders while he fumbled for the key, He waved the Mag in her face, emphasized the warning by firing a shot into the…