What are the 6 different movies black beauty is made into?

answers1: Black beauty has been adapted into film 4 times. <br>
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* Black Beauty (1921/II)----->http://www.imdb.com/title/tt0163552/ <br>
* Black Beauty (1946)----->http://www.imdb.com/title/tt0038361/ <br>
* Black Beauty (1971)----->http://www.imdb.com/title/tt0066834/ <br>
* Black Beauty (1994)----->http://www.imdb.com/title/tt0109279/
answers2: Black Beauty Imdb