Spratt, E. R. <br/><br/>
Biology for schools. 

 - 7th ed. / by E.R. Spratt and A.V. Spratt.  7th ed. / by E.R. Spratt and A.V. Spratt. 
 - London :  University Tutorial Press,  [1967] 
<br/><br/> First published 1931. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.