The Audio Sound Bite library does not happen until 1877 when Thomas Edison invented a way to record sound, the first phonograph.
After this point in time historical events can be heard as they happened.
60. Sound Bite Library 1878 – 1949
61. Sound Bite Library 1950 – 1999
62. Sound Bite Library 2003 – 2012
63. Sound Bite Library – Native American
64. Interviews with X-Slaves
65. The pronunciation guides