 | 1803 - عدد الصفحات: 572
...variations, which however are completely open to our observation. In some countries population seems to have been forced ; that is, the people have been habituated, by degrees, to live almost upon the smallest possible quantity of food. There must have been periods in such countties... | |
 | Thomas Robert Malthus - 1809 - عدد الصفحات: 566
...variations, which however are completely open to our observation. In some countries population seems to have been forced ; that is, the people have been habituated by degrees to live almost upon the smallest possible quantity of food. There must have been periods in such countries... | |
 | George Drysdale - 1861 - عدد الصفحات: 616
...variations, which however are completely open to our observation. In some countries, population seems to have been forced ; that is, the people have been habituated by degrees to live almost upon the smallest possible quantity of food. There must have been periods in such countries,... | |
 | George Drysdale - 1861 - عدد الصفحات: 622
...variations, which however are completely open to our observation. In some countries, population seems to have been forced ; that is, the people have been habituated by degrees to live almost upon the smallest possible quantity of food. There must have been periods in such countries,... | |
 | Charles Robert Drysdale - 1887 - عدد الصفحات: 134
...variations, which, however, are completely open to observation. In some countries population seems to have been forced: that is the people have been habituated by f , degrees to live almost upon the smallest possible quantity of food. There must have been periods... | |
 | Charles Robert Drysdale - 1892 - عدد الصفحات: 130
...variations, which, however, are completely open to observation. In some countries population seems to have been forced : that is the people have been habituated by -degrees to live almost upon the smallest possible quantity of food. There must have been periods in such countries... | |
 | Thomas Robert Malthus - 1894 - عدد الصفحات: 166
...which are, however, completely open to our view and observations. In some countries population seems to have been forced; that is, the people have been habituated by degrees to live almost upon the smallest possible quantity of food. There must have been periods in such countries,... | |
 | Albert Benedict Wolfe - 1916 - عدد الصفحات: 828
...variations, which however are completely open to our observation. In some countries population seems to have been forced ; that is, the people have been habituated by degrees to live almost upon the smallest possible quantity of food. There must have been periods in such countries... | |
 | Thomas Robert Maltus - 2006 - عدد الصفحات: 325
...variations, which however are completely open to our observation. In some countries population seems to have been forced; that is, the people have been habituated by degrees to live almost upon the smallest possible quantity of food. There must have been periods in such countries... | |
 | Thomas Robert Malthus - 2013 - عدد الصفحات: 325
...variations, which however are completely open to our observation. In some countries population seems to have been forced; that is, the people have been habituated by degrees to live almost upon the smallest possible quantity of food. There must have been periods in such countries... | |
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In some countries population seems to have been forced; that is, the people have been habituated by degrees to live almost upon the smallest possible quantity of food. There must have been periods in such countries when population increased permanently... 