Abu Dawud
The Rites of Hajj
Book Number: 004 / Hadith Number: 1988
Narated By Abdullah ibn Abbas : The Apostle of Allah (pbuh) performed four umrahs, viz. umrah al-Hudaybiyyah; the second is the one when they (the Companions) were agreed upon performing umrah next year; the third is umrah performed from al-Ji'ranah; the fourth is the one which he combined with his hajj.