1To Thomas Jefferson from John Heckewelder, 23 April 1798 (Jefferson Papers)
By this Mail I will just acknowledge the reciept of Your Letter —& inform You that I am preparing...
2To Thomas Jefferson from John Heckewelder, 28 April 1798 (Jefferson Papers)
In compliance to Your request , I have communicated what came to my knowledge respecting the...
3Enclosure: Heckewelder’s Memorandum on the Logan Affair, 28 April 1798 (Jefferson Papers)
Communication (Confidential) In the Spring of the Year 1774—at a time when in the interior parts...
4To Thomas Jefferson from John Heckewelder, 24 February 1800 (Jefferson Papers)
Having had an Opportunity last June of seeing the Revd. David Zeisberger, Senior Missionary to...