1John Sheppard to the Committee of the American Philosophical Society, [ca. 6 October 1792] (Jefferson Papers)
I receiv’d through your Casper Wistar a Request to Communicate what Accrued to my Observation in regard to the Hessian fly. I have not been able to Collect much Information in regard to their Progress or ravages, by reason of their late Appearance among us, as we Saw nothing of them till late last spring. What I have made follows in Order. I am very Respectfully &c: RC ( DLC ); undated;...