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Carpenter, P. P. “On Some of the Causes of the Excessive Mortality of Young Children in the City of Montreal.” Canadian Naturalist Vol. 4 (June 1869): 188–206. https://archive.org/details/cihm_00936.
Carpenter, Philip P. “On the Vital Statistics of Montreal.” The Canadian Naturalist and Geologist New Series, Vol. 3 (December 1866): 134–156.