All region Blu Ray
A multi region Blu-Ray has been released in France. This edition also features english subtitles.
http://www.amazon.fr/Soeurs-Brontë-Blu-ray-Isabelle-Adjani/dp/B007EYQ1Y4/ref=sr_1_16?ie=UTF8&qid=1341671905&sr=8-16
There's also a DVD out of the same company, don't know anything about subtitles on the DVD though.
http://www.amazon.fr/Les-Soeurs-Brontë-Isabelle-Adjani/dp/B007EYQ1GM/ref=sr_1_4?ie=UTF8&qid=1341671905&sr=8-4