This included sending a monthly letter on Welsh affairs to the Prince , then at Cambridge .
Hughes was disappointed to leave the Welsh Office , not least because he had done much preparatory work for the investiture of the Prince of Wales scheduled for 1969 .
This included sending a monthly letter on Prince of Wales affairs to the Prince , then at Cambridge .
Hughes was disappointed to leave the Welsh Office , not least because he had done much preparatory work for the investiture of the Prince of Wales scheduled for 1969 .