81438
He is mentioned in the Louis L'Amour medieval historical novel , " The Walking Drum " , with his gruesome death foreseen by the protagonist in a vision .
 Louis L'Amour
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Louis L'Amour