1Thomas Jefferson to Étienne Lemaire, 25 April 1809 (Jefferson Papers)
You were so kind, my good friend, as to offer to execute any little commissions for me in Philadelphia ; and it is certain there will at times be some small articles which I can only get good from there, and so well chosen by nobody as yourself. I trouble you at present to send me a box of good sallad oil, and some Vanilla. the Vanilla may come by post, but the oil must be addressed to Mess rs...