http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
v. 1. From early times to fall of ancient empires.--v. 2. The Mediterranean civilizations and the Middle Ages, c. 700 B.C. to c. 1500 A.D.--v. 3. From the Renaissance to the industrial revolution, c. 1500-c. 1750.--v. 4. The industrial revolution, c. 1750 to c. 1850.--v. 5. The late nineteenth century, c. 1850 to c. 1900.--v. 6-7. The twentieth century, c. 1900 to c. 1950.--v. 8. Consolidated indexes / compiled by Richard Raper.
editado por Charles Singer E.J. Holmyard y A.R. Hall