Geyl Pieter <br/><br/>
Pattern of the Past    Can we determine it? 

 - New York     Greenwood Press          1949 
 - 130p.  cm. 
<br/><br/><label>Standard No.: </label>145304 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Y:1, H9