The WGBH reference article from the English Wikipedia on 24-Apr-2004
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WGBH

Sponsorship the way you would do it
WGBH is Boston, Massachusetts' longtime public television and public radio station (PBS and NPR affiliates, respectively). WGBH also produces many shows for both networks, including nearly a third of PBS's prime-time TV. They began in 1951.

WGBH is also a leader in services for the disabled. They invented television closed captioning and audio description, created the Rear Window Captioning system for movies and the Descriptive Video Service (DVS).

Stations

Shows