(Thematic-Racial) Map Showing the porportion of deaths from Enteric, Cerebro-Spinal and Typhus Fevers....
From an early and foundational data based study of many aspects of the U.S. Here an interesting chart that is looking at "Idiocy", and while the initial impressions might just infer illiteracy, in reality, its a much more serious judgement of abilities. While not yet a eugenics terminology, the intent could be seen as close, as it is trying to evaluate mental abilities in a general overiew.
Condition is good with marginal repaired tears. Size is approximately 20 x 15.25 (inches)
