Natural History, Volume VI: Books 20–23 - Pliny The Elder - Bog - Harvard University Press - Plusbog.dk
Pliny the Elder produced in his Natural History a vast compendium of Roman knowledge. Topics included are the mathematics and metrology of the universe; world geography and ethnography; human anthropology and physiology; zoology; botany, agriculture, and horticulture; medicine; minerals, fine arts, and gemstones.