Bell's electric speaking telephone : its invention, construction, application, modification and history /

Eitemau Tebyg

• The telephone and telephone exchanges : their invention and development /
  gan: 219446 Kingsbury, John E.
  Cyhoeddwyd: (1915)
• The bell system and regional business : the telephone in the South, 1877-1920/
  gan: 398392 Lipartito, Kenneth
  Cyhoeddwyd: (1989)
• The history of the telephone in the United Kingdom/
  gan: 275882 Baldwin, Francis George C.
  Cyhoeddwyd: (1938)
• The telephone book : Bell, Watson, Vail and American life,1876-1976 /
  gan: 172452 Boettinger, H. M.
  Cyhoeddwyd: (1977)
• Introduction to telephones and telephone systems/
  gan: 335221 Noll, A. Michael
  Cyhoeddwyd: (1991)