1. ‘Gold Cobra.’ The Adventures of Philip Marlowe, CBS Radio, 21 June 1950.
2. ‘The Eager Witness.’ The Adventures of Philip Marlowe, CBS Radio, 27 Aug. 1949.
3. ‘The Feminine Touch.’ The Adventures of Philip Marlowe, CBS Radio, 07 May 1949.
4. ‘The Kid on the Corner.’ The Adventures of Philip Marlowe, CBS Radio, 03 Dec. 1949.
5. ‘traffic, n.’ OED Online. Oxford University Press, December 2016, www.oed.com/view/Entry/204333.