the penguin atlas of ancient history published 1967 , 100 pages
Mc Evedy
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in this atlas the very same map appears 38 times: 8500 bc-4500bc-...-300ad-362ad.
from the introduction:
"The thesis behind is that there is a
VALID UNITY of study
in the area comprised" ...
"Accordingly , the geographical framework is HELD CONSTANT".