A Study in Scarlet - Holmes receives a reply to his long telegram from America.

 

A Study in Scarlet - A telegram from Cleveland was found on the body of Joseph Stangerson. It contained the words 'J.H. is in Europe'.

 

The Sign of Four - Holmes sends a wire to Wiggins when he needs his help to find Mordecai Smith's boat the 'Aurora'.

 

The Sign of Four - Holmes sent Inspector Athelney Jones a telegram from Poplar at twelve o'clock. It read "Go to Baker Street at once. If I have not returned, wait for me. I am close on the track of the Sholto gang. You can come with us to-night if you wnat to be in at the finish".

 

Holmes sent the King of Bohemia a wire to inform the king that Holmes know the whereabouts of the photograph that he had asked Holmes to find.