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June 5, 1926

The Natural Increase of Mankind.

JAMA. 1926;86(23):1789. doi:10.1001/jama.1926.02670490051038

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Abstract

This work, which was Dr. Sweeney's thesis for his doctorate of science degree in hygiene at Johns Hopkins, is in chief part a statement of the problems of biometry and an introduction to the study of the scientific treatment of the factors that influence the trends of population. It is therefore not a popular treatise on the subject of population, but it is an interesting statement of the facts of population and the methods for their scientific treatment that have lately been emphasized. Altogether, it is a very informing book and can be commended to any one who is interested in this subject. Not the least interesting part is the introduction by Dr. William H. Welch, in which Dr. Welch, as always, is suggestive and in which he illustrates in this field the encyclopedic character of his scholarship. The increase of mankind is one of the fundamental problems of society

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