London College of Clinical Hypnosis
College of Clinical Hypnosis that offers Certificate, Diploma and Post-graduate courses in hypnotherapy
Link: LCCH

British Society of Clinical Hypnosis
The British Society of Clinical Hypnosis is an organisation which governs the Code, Practice and Ethics of its members. Membership of the Society is open to those who have acquired the requisite Professional and Clinical training in the major aspects of Psychology, Psychotherapy and Hypnotherapy.

Members of the BSCH are required to sign a formal Code of Conduct, thus maintaining the highest ethical standards of professional practice within the field of hypnotherapy.
Link: BSCH

The History of Hypnosis
Website that takes a detailed look at the history of hypnosis.
Link: The History of Hypnosis(Wiki)