2000. Kehoe, D. P. Investment, profit, and tenancy: The jurists and the Roman agrarian economy. Ann Arbor: Univ. of Michigan Press, 1997. Reynolds, P. Hispania and the Roman Mediterranean AD 100–700: Ceramics and trade. London: Duckworth, 2010. Spurr, M. S. "Arable cultivation in Roman Italy: c. 200 B.C.–c. A.D. 100." Journal of Roman Studies Monographs 3. London: Society for the Promotion of Roman Studies, 1986. White, K. D. Roman Farming. Ithaca, NY: Cornell University Press, 1970. --. Farm Equipment of the Roman World. Cambridge, UK: Cambridge University Press, 1975. Primary sources Cato, Marcus Porcius. Cato, the Censor, On Farming. Translated by Ernest Brehaut. New York: Columbia University Press, 1933. Columella, Lucius Junius Moderatus. On Agriculture''. Translated by Harrison Boyd Ash. Cambridge, MA: Harvard University Press, 1941. External links Cato the Elder's De Agri Cultura (on Agriculture) in Latin and English Columella's Res Rustica in Latin Complete text in Latin at The Latin Library Columella's Res Rustica in English Books I‑IV in English translation at LacusCurtius Latin text of Varro Rerum Rusticarum de Agri Cultura Pliny the Elder's Natural History Ancient Rome Agriculture History of agriculture Rome