Clapham, John, Sir
A Concise Economic History of Britain From the Earliest Times to 1750
The Cambridge University Press, 1949
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Hong, Sung-gi
Goryo sahoe kyong jasa yon gu = 高麗社會經濟史 硏究
Il Chokak, 2001
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Gregg, Pauline
the Welfare state : an economic and social history of Great Britain from 1945 to the present day
George G. Harrap, 1967
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Hitti, Philip Khuri, 1886-1978
History of the Arabs from the earliest times to the present
MacMillan, 1974
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Arkell, A.J.
A history of the Sudan from the earliest times to 1821
University of London Press, 1961
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