Mental suggestion

Self Mastery Through Conscious Autosuggestion

Emile Coué

The Practice of Autosuggestion

C. Harry Brooks

Mind and Body; or, Mental States and Physical Conditions

William Walker Atkinson

The Mystic Will

Charles Godfrey Leland, also an audiobook

La Suggestibilité

Alfred Binet

French

Is man a free agent?

James Hawthorne Loryea