These problems not only include strictly psychological troubles but many psychosomatic symptoms as well.
"A Practical Guide to Self-Hypnosis"
Melvin Powers
I have had large numbers of undiagnosable people that suffer greatly but who medical doctors can find nothing wrong with and label psychosomatic.
"How and When to Be Your Own Doctor"
Dr. Isabelle A. Moser with Steve Solomon
Seems to be a psychosomatic nightmare down there.
"Mate in Two Moves"
Winston Marks