This series explores the relationships between the Congress and the Supreme Court and the Presidency.An online collection of early educational public radio content from the National Association of Educational Broadcasters (NAEB).
https://www.unlockingtheairwaves.org/programs/your-congress-today/
Congressman's lobbies
Sen. Hubert Humphrey ("Any contribution to any lobby of $50 or more ought to be registered") and Sen. Homer E. Capehart