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England's mission : the imperial idea in the age of Gladstone and Disraeli, 1868 - 1880
Eldridge, C. C., (1973)
Wages in eighteenth century England
Gilboy, Elizabeth W., (1934)
Geschichte der vereinigten Freistaaten von Nordamerika
Philippi, Karl Ferdinand, (1826)
An introduction to the economics of fisheries management
MacKenzie, W. C., (1983)