1Thomas Jefferson to John M. Carter, 26 April 1815 (Jefferson Papers)
Th: Jefferson presents his compliments to mr Carter and his thanks for the copy of Arator which he has been so kind as to send him. we are indebted to Col o Taylor for a great deal of valuable information given us in that volume on the subject of Agriculture; and whether we consider the question of slavery as a political or religious one, all differences of opinion are entitled to toleration,...