Primary sources  the raw material of history /  [motion picture] : 
Television Service, British Broadcasting Corporation ; presenter by Arthur Warwick. 
 - Milton Keynes :  Open University,  1970. 
 - 1 film reel (25 min.) :  sd., b&w. ;  16 mm. 
 - Open University/Humanities  A100, film no.6 .
<br/><br/> History of London is used as a model to show how historian could access to sources and information on history  Converted into VHS 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History--Sources.<br/>History--Study and teaching.