Nickles, David Paull.
Under the wire: how the telegraph changed Diplomacy /
David Paull Nickles 
. - Cambridge, MA. : Harvard University Press,  2003 
. - 265 p.  ill.  24 cm. 
 - Harvard Historical Studies  vol. 144 .
<br/>К.: Бібліогр. в підрядк. прим. 
<br/><label>  ISBN: </label>0-674-01035-3