Private Letters Made Public

There has been mnch speculation over the appearance in the auction mart re3ently of private letters to prominent persons still living. Thus nine letters from Motley, the American historian, to Bismarck were sold this week for $300. One was marked "private and coufidential" and was addressed "Dear Old Bismarck. " There is no doubt that these letters are genuine, but the natnral anerv is, How did they get iuto the publie