Clegg, John <br/><br/>
Nature trails / 
John Clegg 
 - London :  Frederick Warne,  1968 
 - various pagings :  ill, photo ;  20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental education
<br/><br/><label>Dewey Class. No.: </label>372.3