The Inquisition in Hollywood: Politics in the Film Community, 1930-1960 - Larry Ceplair, Steven Englund - Google Books

http://books.google.de/books?id=HvC3WaGZF3UC&pg=PA414&dq=Philip+Stevenson+screenwriter&hl=de&sa=X&ei=xM0BU8WfAcPq4gSZnICYBA&ved=

"The Inquisition in Hollywood examines the suppression of radical political activity in the film industry from the days of the Great Depression through the tumultuous House Un-American Activities Committee era to the waning days of the infamous blacklist."…