Hazrat Mirza Tahir Ahmad (ra) Speech of Lajna 29th July, 1995; discussing about the Hijab or Pardah in this Speech.

Muslim Women are a diverse group.  The Muslim Times has the best collection of articles about Hijab and modest dressing

Suggested reading

Hijab: Quran is to be Understood in the Context of Time – Every One Knows It But Does Not Say It