Source Data Reference for:

City = Agrigento
Time = -500

City Year Size Size Comment Year Comment Author Title Location
Agrigento-580ca 580 BCJan Lahmeyerhttp://www.populstat.info/n/a
Agrigento-500 100,000George ModelskiWorld Cities -3000 to 2000p49
Agrigento-430 40,000Tertius ChandlerFour thousand years of urban growthp96
Agrigento-430 40,000Tertius ChandlerFour thousand years of urban growthp461