The file comprises mainly circulars and reports of the Council for National Parks, agenda and minutes of meetings, together with a few related letters addressed to Lady White.

The file comprises previously loose cuttings, specifically concerning the environmental threats to Britain's existing national parks and the proposed creation of a new national park in mid-Wales, 1979-1990.

The file comprises publications and typescript circulars relating to the work of the Countryside Commission, and its links with other bodies such as the Council for National Parks, the Nature Conservancy Council, the Welsh Water Authority, and the Countryside Link Group.

The file comprises typescript and printed items relating to British National Parks, some deriving from the activities of the Countryside Link Group, the Country Landowners' Association and the Countryside Council for Wales.

The file comprises circulars and leaflets relating to the administration of the National Parks in England and Wales.

The file consists of a copy of National Parks for Life published by the Council for National Parks in February 1997, together with covering papers.

A file of correspondence, circulars and printed items relating to the administration and maintenance of the National Parks.

The series comprises complete issues of the relevant wildlife and scientific journals and individual, loose articles extracted from magazines and newpapers, on various topics, including the habits of birds and mammals, the seasons, the Welsh landscape, nature reserves, national parks, the characteristics of plants, ecology and conservation, 1948-1996.

A file of miscellaneous papers relating to various bodies and committees with which Lady White was associated, including the Royal Town Planning Institute, Cardiff 2000, the Council for National Parks, Rural Wales and the Town and Country Planning Association.