Gregg, Pauline
A social and economic history of Britain 1760-1950
George G. Harrap, 1952
 Buku Teks
Lewis, William Arthur, 1915-
The principles of economic planning: a study prepared for the Fabian Society
Unwin University Books, 1970
 Buku Teks
Lewis, William Arthur, 1915-
The principles of economic planning a study prepared for the Fabian society
George Allen & Unwin, 1951
 Buku Teks
Cipolla, Carlo M.
The economic history of world population
Penguin, 1974
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Surveys of economic theory. Prepared for the American Economic Association and the Royal Economic Society : volume I
Macmillan, 1965
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