Manhood of Humanity

Note

Messrs. D. C. Heath & Company, for permission to quote from “Unified Mathematics,” by Louis C. Karpinski, Harry Y. Benedict and John W. Calhoun.

Messrs. G. P. Putnam’s Sons, New York and London, for permission to quote from “Organism as a Whole” and “Physiology of the Brain,” by Jacques Loeb.

Messrs. Harper & Brothers, for permission to quote from “From the Life, Imaginary Portraits of Some Distinguished Americans,” by Harvey O’Higgins.

Messrs. D. Appleton & Company, for permission to quote from “Corporation Finance,” by E. S. Mead.

Messrs. J. B. Lippincott Company, for permission to quote from “Forced Movements,” by Jacques Loeb.