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| 001 | 1505271 | ||
| 003 | BD-DhUL | ||
| 005 | 20170420182503.0 | ||
| 008 | 870323s1987 mdua b 001 0 eng | ||
| 020 |
_a0801833876 _qalkaline paper |
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| 035 | _a1505271 | ||
| 040 |
_aLC _beng _cBD-DhUL _dLC _dBD-DhUL |
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| 082 |
_a384.5409 _bDOU |
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| 100 | 1 |
_aDouglas, Susan J. _q(Susan Jeanne), _d1950- |
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| 245 | 1 | 0 |
_aInventing American broadcasting, 1899-1922 / _cSusan J. Douglas. |
| 260 |
_aBaltimore : _bJohns Hopkins University Press, _c1987. |
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| 300 |
_axxix, 363 p. : _bill. ; _c25 cm. |
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| 440 | 0 | _aJohns Hopkins studies in the history of technology | |
| 500 | _aIncludes index. | ||
| 504 | _aBibliography: p. 323-354. | ||
| 650 | 0 |
_aRadio broadcasting _zUnited States _xHistory. |
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| 650 | 0 |
_aRadio _zUnited States _xHistory. |
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| 942 |
_2ddc _cBK |
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| 999 |
_c190447 _d190447 |
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