http://agathe.gr/democracy/slaves_and_resident_aliens.html
The Unenfranchised II - Slaves and Resident Aliens Also excluded from political participation were two other large segments of the population: slaves and metics (resident aliens). Slavery was common in ... ("Xenophon," Constitution of the Athenians 1.10-11). ... H.: 0.09 m. New York, Metropolitan Museum of Art. ... Many of the craftsmen who built the great temples of the city are known to have been foreigners, and some of the wealthiest businessmen and even businesswomen of the city were not Athenian citizens.