Bopry, Jeanette. <br/><br/>
A history of telecommunication :  the telegraph" an instructional unit for television / 
by Jeanette Bopry. 
 - East Lansing :  Michigan State University,  1978. 
 - 121 p. ;  21 cm. 
<br/><br/>Thesis (M.A.) - Michigan State University, 1978. 
<br/><br/>Bibliography: p. 120-121. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.<br/>Telegraph--History.