Alderson, Lawrence. <br/><br/>
The chance to survive :  rare breeds in a changing world / 
Lawrence Alderson. 
 - London :  Cameron & Tayleur in association with David and Charles,  1978. 
 - 192 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rare breeds.<br/>Livestock--Germplasm resources.<br/>Germplasm resources, Animal.