1To Thomas Jefferson from John Southack, 10 May 1801 (Jefferson Papers)
As I am one of a Company forming to endeavour to Make plaster of Paris Serviceable to the United States in the growth of Corn & other things & hearing of your politeness & Candour in giving An Answer Upon Any Subject to those Who had the honour of addressing you I have took the Liberty to address you in this way & Ask you how Plaster Answers on the Grounds in Virginia being Sensible that if...