الجهاد والسير : Hadeeth No:4320
It is narrated by Ibn 'Umar that a woman was found killed in one of these battles; so the Messenger of Allaah (sallAllaahu alayhi wa sallam) forbade the killing of women and children....
النكاح : Hadeeth No:3292
Abu Huraira (Allaah be pleased with him) reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: The Muslim should not purchase in opposition to his brother, and he should not make the proposal of marriage on the proposal already made by his brother....