Source Data Reference for:

City = Tonggoo
Time = 400

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Tonggoo	341	50,000	"50,000 were removed"	in 341	Tertius Chandler	Four thousand years of urban growth	p102
Tonggoo	342	0	"50,000 were removed"	in 341	Tertius Chandler	Four thousand years of urban growth	p102
Tonggoo	361		repopulated		Tertius Chandler	Four thousand years of urban growth	p102
Tonggoo	361	50,000			Tertius Chandler	Four thousand years of urban growth	p464