What Fatal Years tells us that we did not already know.
Condran
G A
GA
D002648:Child; D003710:Demography; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009026:Mortality / Q000639:trends*; D015999:Multivariate Analysis; D014481:United States / Q000453:epidemiology