Viton, Albert
Great Britain : an empire in transition
John Day Company, 1940
 Buku Teks
Moodie, Graeme C.
The Government of Great Britain
Crowell, 1971
 Buku Teks
Bosworth, A.B.
Conquest and empire : the reign of Alexander the Great
Cambridge University Press, 1995
 Buku Teks
Watson, W.C.R.
Handbook of the Rubi of Great Britain and Ireland
At The University Press, 2013
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Philip, George
The shell road atlas of Great Britain
George Philip and Son, 1983
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