The Engine That Ran on Nothing: The Forbidden Invention of Joseph Papp

How Papp turned a dilapidated building into The Public Theater | Joe Papp | American Masters | PBS

The Curious Case of the 300 MPH Personal Jet Submarine

Joseph Papp Interview on Casting Linda Ronstadt in Pirates of Penzance (July 25, 1980)

The Papp Engine: Introduction to Noble Gas Engines

The Man Who Challenged Physics: Joseph Papp's Quest for Infinite Energy

Joseph Papp, 1978