"This essay was one of the papers on inter-racial problems, communicated to the First Universal Races Congress, opened in the Great Hall of the University of London, on the 26th of July, 1911"--P. 
Electronic reproduction. Originally published in: Bruce, Charles, 1836-1920. The true temper of empire : with corollary essays. London : Macmillan, 1912. vi, 211 p. ; 23 cm.