Diagram No. 20. a Specific Death Rates. Deaths at Each Age Period per 1, 000 Living Population at the Same Age Period. The ages shown are from under 5 years to 75 years and over, and for foreign countries as in preceding diagrams.
|Title||:||Explanatory list of diagrams relating to deaths of infants, prepared for the annual meeting and exhibit of the American Association for Study and Prevention of Infant Mortality|
|Author||:||United States. Bureau of the Census|