Roy Fulton’s Passenger (sources)
- "Bedfordshire Phantom Hitchhiker," clip from episode of Arthur C. Clarke's World of Strange Powers: Ghosts, Apparitions and Haunted Houses, first airred 1 May 1985, Yorkshire Television, England. Clip available online at: https://www.youtube.com/watch?v=My4RQpttLY8
- The Evidence for Phantom Hitchhikers, by Michael Goss, 1984 Aquarian Press. ISBN: 0850303761, 9780850303766. Pgs. 90-97. Online at [snippet view]: https://books.google.com/books?id=3KpZAAAAYAAJ&dq=editions%3AfZQ-Rcv9lYkC&focus=searchwithinvolume&q=roy+fulton
- Mysteries of the Unexplained, by H.G. Carlson, 1994 Contemporary Books. ISBN: 0809234971, 9780809234974. Pgs. 37-38. Online at [snippet]: https://books.google.com/books?id=jdpMqww5NVgC&q=%22Roy+said+later.+He+wasn%27t+-+so+I%22&dq=%22Roy+said+later.+He+wasn%27t+-+so+I%22&hl=en&sa=X&ved=0ahUKEwiMmbLbuJjMAhUO8GMKHT7iAD4Q6AEIHDAA
- "Vanishing Hitchhiker," page in the Wikipedia website, viewed 4/14/2016. Online at: https://en.wikipedia.org/wiki/Vanishing_hitchhiker
- The Vanishing Hitchhiker: American Urban Legends and their Meanings, by Jan Harold Brunvand, 1981 W.W. Norton & Company, New York & London. Pgs. 24-46. Online at [preview]: https://books.google.com/books?id=eY-W_LiKe18C&pg=PA32&dq=vanishing+hitchhikers&hl=en&sa=X&ved=0ahUKEwiAgOHkjI_MAhVNzWMKHSyyDCkQ6AEIHDAA#v=onepage&q=vanishing%20hitchhikers&f=false - More preview pages: https://books.google.com/books?id=KxKMU9iVLVoC&printsec=frontcover&dq=%22the+vanishing+hitchhiker%22+brunvand&hl=en&sa=X&ved=0ahUKEwig-5Xpn5LMAhVY62MKHbnzA1QQ6AEIIjAB#v=onepage&q=%22the%20vanishing%20hitchhiker%22%20brunvand&f=false