Kleist, Friedrich Konrad von, Gutsherr auf Stavenow (Prignitz, Mark Brandenburg). Letter in the U.S. "obedient servant Fr Konrad v Kleist". 4 p. Doppelblatt. 4to. "Stavenov" 10.III.1753. To a president. About Kleist's studies of Buffon's "natural history" and his own zoological and botanical experiences as a farmer.