(HIPPOCRATES.) Valles, Francisco de. In aphorismos, & libellum de alimento Hippocrates, commentaria [with text of Hippocrates in Latin translation]. 304, [27] (of [28]) leaves, including penultimate colophon leaf; lacks final blank. 8vo, 146x95 mm, 18th-century tree sheep with leather lettering piece, extremities worn; contents toned, early underscoring and cropped marginalia, dampstaining in inner margins through first half of volume, oxidized ink stain through last several index leaves. Alcalá de Henares: Andrés de Ángulo, 1561