1To Thomas Jefferson from Felix Pascalis Ouviere, 31 July 1806 (Jefferson Papers)
In the last Speech to Congress your Excellency has traced the most correct principles which should encompass Health laws within necessary bounds, and assign them a truely useful object. You have also suggested to what points of inquiry, medical Philosophers should direct their investigations on pestilential Diseases. These datas from the Chief-Magistrate of our nation are the more important...