The Book of Divorce (Kitab Al-Talaq)

Muslim :: Book 9 : Hadith 3549

'A'isha (Allah be pleased with her) reported Allah's Messenger (may peace be upon him) as saying: It is not permissible for a woman believing in Allah and the Hereafter to observe mourning on the dead for more than three (days), except in case of her husband.

Source materials are from the University of Southern California MSA site
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