Citation :
« Interest and activity in film has been mushrooming across Canada. [...] A number of experimental Canadian films were shown at the Edinburgh Festival this year and special attention was given there and across Europe to Michael Snow's Wavelength. Joyce Wieland won a prize in New York at the Independent Film-makers Festival for her provocative Rat Life and Diet in North America which was later purchased by the Museum of Modern Art. »
-- Dominion Bureau of Statistics

Source :
DOMINION BUREAU OF STATISTICS. Canada 1970: The Official Handbook of Present Conditions and Recent Progress, Ottawa, Dominion Bureau of Statistics, 1969. [en anglais] (p. 160)