Produced by the Iowa School of the Air, this series focuses on various works of literature from Shakespeare to Twain.An online collection of early educational public radio content from the National Association of Educational Broadcasters (NAEB).
https://www.unlockingtheairwaves.org/programs/why-is-a-writer/
Behind the humorist
Behind the Humorist, about the story of Mark Twain's double role in life: as writer and on a personal level.