Annie P. Gray 
Mammalian hybrids : Check list with bibliography 
 - England  Common Wealth Agricultural Bureaux  1972 
 - 262p 
Annie P. Gray: Mammalian hybrids : Check list with bibliography.  England.  Common Wealth Agricultural Bureaux, 1972. 85198-170-4--(599.0158016GRA)   
ENGLISH 
85198-170-4 
599.0158016  / GRA