Return of wire systems :  hearings on H.R. 421, May 30-31, June 4-5, 1919. 

 - [Washington, D.C.],  1919. 
 - 3 v. 
<br/><br/> CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone--Law and legislation--United States.<br/>Telegraph--Law and legislation--United States.
<br/><br/><label>Gov. Doc. Class. No.: </label>Y 4.IN 8/4:W 74/1-