Social problems : their treatment, past, present, and future : (a lecture delivered at the Galton Laboratory for National Eugenics, March 19, 1912) / by Karl Pearson.

Public Domain Mark

You can use this work for any purpose without restriction under copyright law. Read more about this licence.

Credit

Social problems : their treatment, past, present, and future : (a lecture delivered at the Galton Laboratory for National Eugenics, March 19, 1912) / by Karl Pearson. Public Domain Mark. Source: Wellcome Collection.