Citations:clue


 * 1818 — Mary Shelley. Frankenstein.
 * Their pronunciation was quick, and the words they uttered, not having any apparent connection with visible objects, I was unable to discover any clue by which I could unravel the mystery of their reference.
 * 1843 — Charles Dickens. A Christmas Carol.
 * For he had an expectation that the conduct of his future self would give him the clue he missed, and would render the solution of these riddles easy.