Yahya related to me from Malik from Humayd ibn Qays al-Makki fromAmr ibn Shuayb from Said ibn al-Musayyab that Umar ibn al-Khattab sentback widows from the desert and prevented them from doing the hajj.
USC-MSA web (English) reference: Book 29, Hadith 88
Arabic reference: Book 29, Hadith 1251