Laybourn, Kenneth. <br/><br/>
Practical science for secondary schools :  book 1 / 
[by] K. Laybourn [and] C.H. Bailey. 
 - London :  University of London Press,  [1963] 
<br/><br/> Copyright date 1961. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science -- Study and teaching (Secondary)--Science -- Study and teaching (Secondary)