From the announcement:
The American Archive of Public Broadcasting (AAPB), a collaboration between the Library of Congress, WGBH Boston and the Corporation for Public Broadcasting, launched a new website at americanarchive.org today, providing the public with access to a collection of American public radio and television content dating back to the 1950s. These audio and video materials, created by more than 120 public broadcasting organizations across the country, have now been digitized and preserved, and will be a resource for scholars, researchers, educators, filmmakers and the general public to delve into the rich history of public broadcasting across America.
Read more: Announcing the launch of the American Archive of Public Broadcasting website