Vries, Leonard de <br/><br/>
The book of telecommunications :  telegraph, telephone, radio in the past, present and future / 
Leonard de Vries, translated by Karla Oosterveen, illustrated by Gerard van Straaten. 
 - London :  John Murray,  1962. 
 - 132 p. :  ill. 
<br/><br/> Translation of "Telecommunicatie" 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone--history.<br/>Telegraph--history.<br/>Radio--history.