00645nam a22001697a 4500 SNU 20130319153331.0 130319b xxu||||| |||| 00| 0 eng d 1566499496 331.89 BAH Bahr, Morton From the telegraph to the internet Morton Bahr Washington, D.C. : National Press Books, ©1998. 324 p., [8] p. of plates ; 24 cm. History. , United States. , Labor unions. , Labor unions -- Communications and traffic. , Labor unions -- Communications and traffic -- United States -- History. , Archive. ddc RBM 7189 7189 0 0 ddc 0 0 SNUL SNUL 2013-03-19 0 331.89 BAH AR1211 2013-03-19 00:00:00 2013-03-19 RBM