Examples from the Web for kallikak
The studies of the Edwards family on one hand and the so-called Kallikak family on the other, point to the same conclusion.How to Teach|George Drayton Strayer and Naomi Norsworthy
Kallikak family, results of environment rather than heredity shown by, 249.Crime: Its Cause and Treatment|Clarence Darrow
I have finished the Kallikak family and I am bursting with talk.
If you are really hurt, I will read the Kallikak book; but I must tell you that you are working me to death.