Sampson, Ronald Victor. <br/><br/>
Progress in the age of reason  the seventeenth century to the present day. 

 - Cambridge  Harvard University Press  1956. 
 - 259 p.  23 cm. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>a  57005024  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Progress.<br/>Enlightenment