1 a8.1..1.18 q8.1..20.14  Sir, d8.1..35.10 <br/><br/>
The world of the soil. 
 World of the soil 

 - 3rd ed. 
 - London :  Collins,  [1963] 
 - New naturalist .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils.