Cosgrove, Margaret <br/><br/>
Strange worlds under a microscope / 
Margaret Cosgrove; illustrated with drawings by the author. 
 - New York :  Hodd Mead,  c1962. 
 - 138 p. : ill. 
<br/><br/> Includes glossary and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microscopy--Popular works.