Encyclopedia of the documentary film (Volume 2)/ 
Ian Aitken, editor. 
 - New York :  Routledge,  2006. 
 - xxxviii, (535-1110) p. :  ill. ;  29 cm. 
 -  Volume 2 : H-O .
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<br/><br/><label>ISBN: </label>1579584454   0415976383   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Documentary films--Encyclopedias.
<br/><br/><label>Dewey Class. No.: </label>070.18  / ENC