Nicol, Hugh. <br/><br/>
Microbes by the million. 

 - Harmondsworth :  Penguin Book Ltd.,  [1939] 
 - Pelican special ;  S28 .
<br/><br/> "First published 1939." 
<br/><br/>Bibliographical references at end of some of the chapters. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microorganisms.<br/>Bacteria.