New data on differential fertility in the United States /

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Bibliographic Details
Main Author: Pearl, Raymond, 1879-1940
Format: Book
Language:English
Published: [Baltimore? : s.n., 1926?]
Subjects:
Description
Item Description:Cover title.
"Reprinted from the American journal of hygiene, vol. VI, no. 4, 610-616, July, 1926"--Cover.
Physical Description:p. 610-616 ; 27 cm.