1. SECULAR INCREASE IN HEIGHT IS THE END IN SIGHT?
2. 1875 Statistics, Medical and Anthropological, of the Provost-Marshal-General's Bureau. Gov't. Printing Office, Washington, D. C.
3. The Relation between Stature and Parental Birth Place
4. 1911 Changes in bodily form in the descendants of immigrants (abstr.) U. S. Immigration Commission. Gov't. Printing Office, Washington, D. C.