Senate Hearings on Public Broadcasting Act of 1967, held during April 1967. An online collection of early educational public radio content from the National Association of Educational Broadcasters (NAEB).
https://www.unlockingtheairwaves.org/programs/senate-hearings-on-public-broadcasting/
Educational radio, part one
This program, the first of two parts, features Jerrold Sandler, executive director of National Educational Radio; and William Harley, president, National Association of Educational Broadcasters.