1. Constitutional history – Tonga 2. Constitutional Tonga 3. Constitutions - Tonga A well written and excellent portrayal of the history of Tonga’s 1875 Constitution and changes which have taken place. Seniloli K ‘Inoke has carefully researched and analysed the events preceding the changes which have taken place over the years. The thrust of the change has been directed towards the system of Government and power of administering and running the country.