http://www.1940snewyork.com/
Here is a map showing the situation and social status of NY neighbourhoods in 1943.I found it very interesting,because it shows what were working class,middle class or high income nhoods at the time.You can see what the situation was in Red hook,Lower east side or East harlem,etc.I thougt a little history was good for us and can spark a nice disscusion.Please check it out its very interesting.Of course this was before the influx of PRs,so if someone has the same maps from the 50s and 60s that would be great.Anyway,enjoy.