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American Business System American Psychological Association Association and American Association in conjunction Association of America Australian Broadcasting Commission Australian Commonwealth Film B.B.C. Television Board of Canada British Broadcasting Corporation Business System Series Capricorn Series City Series co-operation with Boston Commonwealth Film Unit conjunction with University Council on Education Creator Or Destroyer Demonstrates Department of Child Describes diffraction Dynamics Of Leadership economic Education for Public Educational Television Association Firebird Films Focus On Behaviour Guinea Ifag Illustrates industry Information Bureau Leadership Series Lewis Mumford Macbeth Magazine items Mathematical Association methods Metropolis National Coal Board National Educational Television National Film Board Notebook Series Odysseus Outlook Series Postmaster-General's Department problem Psychology Series Public Responsibility Quest Under Capricorn Reportagefilm Research RIPPLE TANK Science Of Psychology Shows South Wales Sterling Educational Films study extract survey Sydney titles Tomorrow Series U.S. Department University Council Western Australia WGBH-TV WGBH-TV in co-operation