Unbound letter from Carl von Linne or Carl Linnaeus to Dr. de Sauvages [Francois Boissier de la Croix de Sauvages, 1706-1767], discussing botany, medicine, friendly scholarly gossip. Collection also includes portraits and supplementary 20th-century material.

Primarily medical receipts (informal directions for compounding and administering folk-remedies); some horse-medicine; also directions for making pigments, for fishing, for removing ink-spots, for secret writing, for catching birds, for making varnish, for mending china...