Nash, Leonard Kollender.  <br/><br/>
The nature of the natural sciences / 
Leonard Kollender Nash. 
 - Boston :  Little, Brown,  c 1963. 
 - xix, 406 p. :  ills. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography : p. 385-399. 
<br/><br/>319  319 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural sciences.
<br/><br/><label>Dewey Class. No.: </label>501 / N175n