The natural increase of mankind
By: by J. Shirley Sweeney ...
Publisher: The Williams & Wilkins Company
Published: 1926
Place of publication: Baltimore
Language: eng
Number of pages: 185
Subjects: Population.; Vital statistics.
Notes: Bibliography: p. 153-158.
"Dissertation ... based on work for his doctorate of science in hygiene ... in the School of hygiene and public health of the John Hopkins University."--introd.