Sunan at-Tirmithiy كتاب السير باب ما جاء فى خروج النساء فى الحرب
The Messenger of God, peace and blessings of God be upon him, used to go to battle accompanied by Umm-Sulaym and a group of women from Al-Anṣār (Supporters of Madīnah) who provided drinking water and nursed the wounded. Click on ḥadīth to read more