Musnad Ahmad 280:3

'Abd al-Razzaq narrated to us, he said: Sufyan informed us, from al-A'mash, from Shaqiq, from 'Amr ibn al-Harith ibn al-Mustaliq, from Zaynab, she said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Give charity, O assembly of women." And he mentioned it.