Differential fecundity in Iowa
Subtitle: a study in partial correlation
By: by Hornell Norris Hart, PH. D.
Series: University of Iowa studies in child welfare ...; vol. II, no. 2; University of Iowa studies.; 1st series, no. 62. June 1, 1922
Publisher: The University
Published: 1922
Place of publication: Iowa City
Language: eng
Number of pages: 39
Subjects: Fecundity; Iowa -- Statistics, Vital
Notes: "Selected references": p. 37-39.