Training Seminar for European Park Rangers and Wardens : a European Seminar held at the Peak National Park Centre, Losehill Hall, Castleton, Derbyshire, UK : 7-11 October, 1985 / organised in conjunction with the Association of Countryside Rangers with the support of the Federation of Nature and National Parks of Europe, the Countryside Commission for Scotland and the Countryside Commission ; edited by Rosie Simpson. - Simpson, Rosie (Peak National Park Publications, 1985)