| 1 |
The telephone enterprise : the evolution of the Bell System's horizontal structure, 1876-1909 / Robert W. Garnet
Baltimore : Johns Hopkins University Press , c1985
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| 2 |
The anatomy of a business strategy : Bell, Western Electric, and the origins of the American telephone industry / George David Smith
Baltimore : Johns Hopkins University Press , c1985
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| 3 |
From invention to innovation : long-distance telephone transmission at the turn of the century / Neil H. Wasserman
Baltimore : Johns Hopkins University Press , c1985
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