Source Data Reference for:

City = Feodosiya
Time = 1600

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Caffa	1600	30,000			Tertius Chandler	Four thousand years of urban growth	p20
Feodosiya	1600	40,000			Paul Bairoch	La population des villes europeennes de 800 a 1850