some more books about documentaries worth looking at are:
Aitken, Ian.  _Film and reform:  John Grierson and the documentary film
 movement_.  London:  Routledge, 1990.
Rosenthal. Alan.  _Writing, directing, and producing documentary films_.
 Carbondale, Illinois:  Southern Illinois Univ. Pr., 1990.
Evans, Gary.  _John Grierson and the National Film Board_.  Toronto:  U of
 Toronto Pr., 1984.
_"Show us life:"  toward a history and aesthetics of the committed document-
 ary.  Metuchen, NJ:  Scarecrow, 1984.
Edmonds, Robert.  _About documentary:  anthropology on film_.  Dayton, Ohio:
 Pflaum Pub., 1974
Mamber, Stephen.  _Cinema verite in America. . ._.  Cambridge, Mass.:  MIT
 Press, 1974.
 
larry schwartz, theatre/film librarian, southern methodist univ, dallas, texas
fzkr1001@smuvm1 -- BITNET