1To Thomas Jefferson from Thomas Attwood Digges, 30 June 1806 (Jefferson Papers)
I am much obligd in many instances by Your kind attentions, and particularly so for the present of Quarantine Corn, which I have carefully sown in good soil & put in according to Your instructions. The grain appears to me exactly that round, red- & yellow kind which the Spaniards & Portuguese with success (tho’ in but small quantities comparatively to their wants) cultivated while I resided...