Malthus, T. R. (Thomas Robert), 1766-1834. Essay on the principle of population.

The Fruits of Philosophy (1832), by Charles Knowlton

The Fruits of Philosophy (1832), by Charles Knowlton

In 1832, Charles Knowlton published The Fruits of Philosophy, a pamphlet advocating for controlling reproduction and detailing methods for preventing pregnancy. Originally published anonymously in Massachusetts, The Fruits of Philosophy was an illegal book because United States law prohibited the publishing of immoral and obscene material, which included information about

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