Curtis, Arnold. <br/><br/>
The pivot English course :  a course of language work for the upper primary school, standards 4-7.  Pupils book / [by] Arnold Curtis, Ralph Malone [and] Charles O'Hagan. 

 - Nairobi :  Longmans,  1965. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language -- Study and teaching -- Foreign speakers.--English language -- Study and teaching -- Foreign speakers.--English language -- Study and teaching -- Foreign speakers.