A nature conservation review : the selection of biological sites of national importance to nature conservation in Britain
Cambridge University Press, 1977
Buku Teks
Childs, David
Britain since 1945 : a political history / David Childs
Routledge , 1997
Buku Teks
Childs, David
Britain since 1945 : a political history / David Childs
Methuen, 1979
Buku Teks
Marwick, Arthur
Nature of history
London MacMillan 1992
Buku Teks
The nature of history
Buku Teks