The firstborn : experiences of eight American families - Yale University. Child Study Center; Hartford, Claire; Senn, Milton J. E., 1902- (Cambridge : Harvard University Press, 1968)
"A Commonwealth Fund book."
Report of a study initiated in 1951 at the Yale University Child Study Center.
Keywords: Families -- United States -- Case studies; First-born children -- Case studies; First-born children -- United States -- Case studies