Tractatus simplex de cortice peruuiano: A plain treatise on the Peruvian bark (“The Stanitz Manuscript”): a late seventeenth or early eighteenth century anonymous manuscript account of the Jesuits' bark published in its original Latin text with a translation, introduction, and notesby Saul JarchoMD, Boston, The Francis A. Countway Library of Medicine, 1992, pp. vii, 116, illus., $19.00 (0-88135-176-8).