Monty Roberts (2001). “Horse Sense for People: Using the Gentle Wisdom of the Join-up Technique to Enrich Our Relationships at Home and at Work”, Viking Press
William Shakespeare (2013). “The Wars of the Roses In Plain and Simple English: Includes Henry VI Parts 1 - 3 & Richard III, Richard II, Henry IV Parts 1 and 2, and Henry V”, p.1739, BookCaps Study Guides