Musnad Abu Ya'la al-Mawsili 209:122

Abu Khaythama narrated to us, Muhammad ibn Khazim narrated to us, Hisham ibn Urwah narrated to us, from his father, from Zaynab bint Umm Salamah, from Umm Salamah: That the Messenger of Allah (may Allah bless him and grant him peace) commanded her to perform the dawn prayer on the Day of Sacrifice in Makkah.