The two main sources are Maps and Artifacts
I think it's all of them except the first one, Germany was not occupied by the allies :)
http://www.bbc.co.uk/schools/gcsebitesize/history/mwh/ir1/thetreatyrev1.shtml
Answer:
The plaintiffs contend that segregated public schools are not equal and cannot be made equal and that hence they are deprived of the equal protection of the laws.
Explanation: