Title: Act Approach:The Use of Suggestion for Intergrated Learning, Author: Lynn Dhority
Title: Hypnosis and Suggestion in the Treatment of Pain: A Clinical Guide, Author: Joseph Barber
Title: Suggestion and its Role in Social Life, Author: V. M. Bekhterev
Title: Suggestopedia and Language, Author: W. Jane Bancroft
Title: Suggestopedic Methods and Applications, Author: Ludger Schiffler