The Complete Works in Philosophy, Politics and Morals of the late Dr. Benjamin Franklin, Vol. 2 [of 3] — On the Effects of Lead upon the human Constitution.[42]

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The Complete Works in Philosophy, Politics and Morals of the late Dr. Benjamin Franklin, Vol. 2 [of 3] Volume 2 of 3 · On the Effects of Lead upon the human Constitution.[42] · ch 70/126

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