Pazuzu (The Exorcist) to take complete control of her mind. However, with the aid of the priest Father Tomas and her family, Regan fights back against Pazuzu, regaining control of her mind, just as Father Tomas exorcises the demon from her body. William Peter Blatty's creations of Pazuzu and "The Exorcist" were based on a heavily reported series of 1949 events in St. Louis, Missouri concerning the possession of a 14-year-old known as "Robbie Mannheim" (or sometimes "Roland Doe"). Blatty, who was a student at Georgetown University, read about the story in Washington, D.C. newspapers and created "The Exorcist" twenty years later. In
The Old Chisholm Trail a yodeling version in 1957 for his album "Cowboy Songs". The song was partially covered in the now-defunct Disneyland attraction "America Sings". Members of the Western Writers of America chose it as one of the Top 100 Western songs of all time. In 2001, author Rosalyn Shanzer wrote a children's book based on the song. It follows the adventures of some cowboys and their cattle as they travel the Old Chisholm Trail from Texas to Kansas. The Old Chisholm Trail "The Old Chisholm Trail" is a cowboy song first published in 1910 by John Lomax in his book "Cowboy Songs