Author
Great Britain. Countryside Commission
18
Great Britain. Department of the Environment
11
British Geological Survey
10
National Foundation for Educational Research in England and Wales
9
Victoria and Albert Museum
7
Geological Survey of Great Britain
5
British Museum
4
Economic History Society
4
Galton, Maurice, 1937-
4
Hegarty, Seamus
4
Institute of Geological Sciences
4
National Children's Bureau
4
Paul Mellon Centre for Studies in British Art
4
Soil Survey of England and Wales
4
Thirsk, Joan
4
Bennett, Neville, 1937-
3
Bolam, R. (Raymond), 1938-
3
British Library
3
Cambridge Group for the History of Population and Social Structure
3
Children's Play Council
3
Chitty, Clyde
3
Cole-Hamilton, Isobel
3
Collins, Wilkie, 1824-1889
3
Edmonds, E. A. (Eric Arthur), 1927-
3
Great Britain. Home Office
3
Horn, Pamela, 1936-
3
Institution of Civil Engineers
3
King, Michael, 1942-
3
Lake, R. D. (Robert Denis), 1944-
3
Museum of London
3
National Trust
3
Pointon, Marcia R.
3
Porter, Roy, 1946-
3
Rowley, Trevor, 1942-
3
Rudé, George, 1910-
3
Schools Council
3
Strategies and Errors in Secondary Mathematics Project
3
Willcocks, John
3
Williams, B. J. (Brian John), 1933-
3
Alderson, Brian, 1930-
2
Alexander, Robin
2
Ashelford, Jane
2
Ashworth, A. (Allan)
2
Ashworth, Andrew
2
Bean, Philip, 1936-
2
Beard, Geoffrey, 1929-
2
Beckson, Karl, 1926-
2
Benyon, John, 1951-
2
Black, Jeremy, 1955-
2
Blyth, Joan
2
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