 Not only is the plot similar to _Thief of Bagdad, The (1940)_ (qv)  but character names Jafar (Jaffar) and Abu were apparently borrowed  from the 1939 script by Lajos Biró (qv). The characters in the  silent original, _Thief of Bagdad, The (1924)_ (qv) were not given  names.