resemblance of siblings in intelligence and achievement.
By: New York, Teachers College, Columbia University, 1925.
Publisher: AMS Press
Published: 1972
Place of publication: [New York
Language: eng
Number of pages: 65
Subjects: Heredity.; Intelligence tests.; Brothers and sisters.
Notes: Bibliography: p. 64-65.
Reprint of the 1925 ed., issued in series: Teachers College, Columbia University. Contributions to education, no. 186.
Originally presented as the author's thesis, Columbia.