Agriculture. 
 Agriculture 

 - London :  Collier-Macmillan,  [1966-67] 
<br/><br/>v.1. Soils -- v.2. Field crops -- v.3. Horticulture and livestock. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture -- Study and teaching.--Agriculture -- Study and teaching.<br/>Agricultural education.<br/>English language -- Study and teaching -- Foreign speakers.--English language -- Study and teaching -- Foreign speakers.--English language -- Study and teaching -- Foreign speakers.