1Francis Adrian Van der Kemp to Thomas Jefferson, 4 June 1816 (Jefferson Papers)
Accept mÿ Sincerest thanks for the distinguished proof of your confidential esteem, with which...
2Enclosure: "Sincerus" (Francis Adrian Van der Kemp) to Robert Aspland, 1 July [June?] 1816 (Jefferson Papers)
Pleased with the liberal plan, which you have adopted in your Review —I deemed it a duty to...