Kohn, Bernice <br/><br/>
Our tiny servants moulds and yeasts / 
by Bernice Kohn ; illustrated by John Kaufmann 
 - London :  Frederick Muller,  1966 
 - 62 p. :  ill. ;  22 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Yeast fungi--Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>589