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SEASONAL PATTERNS OF INFANT AND CHILD MORTALITY IN NEW YORK, CHICAGO, AND NEW ORLEANS: 1870-1919 (ILLINOIS, LOUISIANA)
SEASONAL PATTERNS OF INFANT AND CHILD MORTALITY IN NEW YORK, CHICAGO, AND NEW ORLEANS: 1870-1919 (ILLINOIS, LOUISIANA)LENTZNER, HAROLD ROY.
University of Pennsylvania ProQuest Dissertations & Theses, 1987. 8714077.





