Testament for social science :  an essay in the application of scientific method to human problems. 

 - London :  Allen & Unwin,  [1950] 
<br/><br/><label>LCCN: </label>51001818 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences.
<br/><br/><label>LC Class. No.: </label>H61  / .W75